A view of fish farming pond on the Euphrates River in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

A worker walks near fish farming pond in the Euphrates River in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

Iraqi vendors show different kinds of fish to customers at fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

An Iraqi vendor shows different kinds of fish to customers at fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

An Iraqi woman walks inside fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

Workers feed ducks during their rest near fish farming pond at the Euphrates River in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

Iraqi vendors show different kinds of fish to customers at fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

An Iraqi vendor shows different kinds of fish to customers at fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

Iraqi vendors show different kinds of fish to customers at fish market at in Najaf, Iraq November 30, 2022. REUTERS/Alaa Al-Marjani 

A view shows a dried up fish pond on the Euphrates river in Najaf, Iraq November 28, 2022. REUTERS/Alaa Al-Marjani 

Hendra, a 51-year-old tin miner, sits on a wooden boat with other miners as they head to their pontoons off the coast of Toboali, on the southern shores of the island of Bangka, Indonesia, May 1, 2021. "On land, our income is diminishing. There are no more reserves," said Hendra, who shifted to work in offshore tin mining about a year ago after a decade in the industry. "In the ocean, there are far more reserves." REUTERS/Willy Kurniawan SEARCH "KURNIAWAN TIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Hendra, 51, a tin miner, shows the sand of tin ore on a pontoon off the coast of Toboali, on the southern shores of the island of Bangka, Indonesia, April 29, 2021. "On land, our income is diminishing. There are no more reserves," said Hendra, who shifted to work in offshore tin mining about a year ago after a decade in the industry. "In the ocean, there are far more reserves." REUTERS/Willy Kurniawan SEARCH "KURNIAWAN TIN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

University of Delaware Poultry Extension Agent Georgie Cartanza, with three-week-old birds from her own current flock, plays a role counseling farmers who are facing diminished flocks — or in the most extreme instances are forced to destroy flocks — due to disruptions from the coronavirus disease (COVID-19) outbreak, in Dover, Delaware, U.S. May 1, 2020. REUTERS/Jonathan Ernst 

University of Delaware Poultry Extension Agent Georgie Cartanza, with three-week-old birds from her own current flock, plays a role counseling farmers who are facing diminished flocks — or in the most extreme instances are forced to destroy flocks — due to disruptions from the coronavirus disease (COVID-19) outbreak, in Dover, Delaware, U.S. May 1, 2020. REUTERS/Jonathan Ernst 

University of Delaware Poultry Extension Agent Georgie Cartanza, with three-week-old birds from her own current flock, plays a role counseling farmers who are facing diminished flocks — or in the most extreme instances are forced to destroy flocks — due to disruptions from the coronavirus disease (COVID-19) outbreak, in Dover, Delaware, U.S. May 1, 2020. REUTERS/Jonathan Ernst 

A combination picture shows Li Congchen, 11, posing for a photograph while holding a picture that he drew during the coronavirus disease (COVID-19) outbreak, as he stands by a window at his grandparent's home in Beijing, China, April 19, 2020. "In first frame here, it shows that viruses are landing on from a bat aircraft and they are terrifying human beings. The second frame is the viruses are beating humans on a street. The third frame shows a scientist who invented an impressive weapon aiming at destroying those viruses. The fourth frame tells that human volunteers formed up a dare-to-die squad. The last frame in the middle shows that human beings have defeated and diminished the viruses with vaccine guns." said Li. "I feel that sometimes it?s quite difficult to go out. I?m getting more online courses. But in general, days at home is not that bad because I can eat ice cream." REUTERS/Tingshu Wang SEARCH "CORONAVIRUS DRAWING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Li Congchen, 11, poses for a photograph while holding a picture that he drew during the coronavirus disease (COVID-19) outbreak, as he stands by a window at his grandparent's home in Beijing, China, April 19, 2020. "In first frame here, it shows that viruses are landing on from a bat aircraft and they are terrifying human beings. The second frame is the viruses are beating humans on a street. The third frame shows a scientist who invented an impressive weapon aiming at destroying those viruses. The fourth frame tells that human volunteers formed up a dare-to-die squad. The last frame in the middle shows that human beings have defeated and diminished the viruses with vaccine guns." said Li. "I feel that sometimes it?s quite difficult to go out. I?m getting more online courses. But in general, days at home is not that bad because I can eat ice cream." REUTERS/Tingshu Wang SEARCH "CORONAVIRUS DRAWING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Li Congchen, 11, poses for a photograph while holding a picture that he drew during the coronavirus disease (COVID-19) outbreak, as he stands by a window at his grandparent's home in Beijing, China April 19, 2020. "In first frame here, it shows that viruses are landing on from a bat aircraft and they are terrifying human beings. The second frame is the viruses beating humans on a street. The third frame shows a scientist who invented an impressive weapon aiming at destroying those viruses. The fourth frame tells that human volunteers formed up a dare-to-die squad. The last frame in the middle shows that human beings have defeated and diminished the viruses with vaccine guns", said Li. "I feel that sometimes it's quite difficult to go out. I’m getting more online courses. But in general, days at home are not that bad because I can eat ice cream." REUTERS/Tingshu Wang SEARCH "CORONAVIRUS DRAWING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Shop worker Judith Perez talks to a fellow colleague in the charity shop Give a Little, on Streatham High Road in south London, Britain, September 10, 2019. Perez, who was born in Spain but has lived in Britain since she was a child, worries that Brexit would diminish the opportunities for younger people who might want to study and work in other European countries. "It's not perfect the euro (zone),of course. There is high unemployment," Perez said. "But you're part of something. I remember how things were here when I first came here. It wasn't great. It's much better now. We are going backwards, not forwards." REUTERS/Hannah McKay SEARCH "STREATHAM BREXIT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Oscar Limachi, 48, a member of the local Qewaya community who works as a tour guide on the Lake Titicaca, searches for duck eggs on a natural totora floating island in Qewaya village, Lake Titicaca, Bolivia, July 3, 2018. "Totora plants are diminishing, although they are not used much besides hand crafting, they signify much of the lake's ecosystem," said Professor Xavier Lazzaro, an aquatic systems specialist, who has been closely following pollutants in the lake for many years. REUTERS/Manuel Seoane SEARCH "TITICACA CLIMATE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Oscar Limachi, 48, a member of the local Qewaya community who works as a tour guide on Lake Titicaca, and his son-in-law walk on Pariti island, Lake Titicaca, Bolivia, July 3, 2018. Since fish in the lake have become scarce, the population of the island has diminished to just a few families. REUTERS/Manuel Seoane SEARCH "TITICACA CLIMATE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Shaolin Kung Fu Grandmaster Mubarak Ali Shan, poses for a photograph at his office in Mariabad, Quetta, Pakistan, June 13, 2019. Many Hazaras have joined the armed forces in Pakistan, where the community's past and future will stay rooted despite any violence, said Mubarak. "We want to serve Pakistan and despite suffering tragedies and incidents, our love for peace has not diminished." REUTERS/Akhtar Soomro SEARCH "HAZARA MINORITY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

U.S. Supreme Court is seen in Washington, U.S., before the judges hear arguments in Abbott vs. Perez, weighing a bid by Texas to revive Republican-drawn electoral districts for state legislative and U.S. congressional seats that were thrown out by a lower court for diminishing black and Hispanic voters' clout, April 24, 2018. REUTERS/Yuri Gripas 

U.S. Supreme Court is seen in Washington, U.S., before the judges hear arguments in Abbott vs. Perez, weighing a bid by Texas to revive Republican-drawn electoral districts for state legislative and U.S. congressional seats that were thrown out by a lower court for diminishing black and Hispanic voters' clout, April 24, 2018. REUTERS/Yuri Gripas 

U.S. Supreme Court is seen in Washington, U.S., before the judges hear arguments in Abbott vs. Perez, weighing a bid by Texas to revive Republican-drawn electoral districts for state legislative and U.S. congressional seats that were thrown out by a lower court for diminishing black and Hispanic voters' clout, April 24, 2018. REUTERS/Yuri Gripas 

Visitors wait in line to attend hearing arguments in Abbott vs. Perez, weighing a bid by Texas to revive Republican-drawn electoral districts for state legislative and U.S. congressional seats that were thrown out by a lower court for diminishing black and Hispanic voters' clout, at U.S. Supreme Court in Washington, U.S., April 24, 2018. REUTERS/Yuri Gripas 

Visitors wait in line to hear arguments in Abbott vs. Perez, weighing a bid by Texas to revive Republican-drawn electoral districts for state legislative and U.S. congressional seats that were thrown out by a lower court for diminishing black and Hispanic voters' clout, at U.S. Supreme Court in Washington, U.S., April 24, 2018. REUTERS/Yuri Gripas 

"The Whale", "The Dog" or "The Zebra"? Players line up beside a small kiosk in a poor neighbourhood to choose animals in a lottery game that has become a craze in Venezuela even as the oil-rich country suffers a fourth year of brutal recession. It seems more and more Venezuelans are turning to gambling in their desperation to make ends meet amid the country's unprecedented economic crisis. Though more people lose than win overall, the illusion of a payday has become more alluring as Venezuelans endure the world's highest inflation, shortages of basics from flour to car batteries, and diminished real-term wages. REUTERS/Ricardo Moraes SEARCH "MORAES GAMBLING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY. Matching text: VENEZUELA-GAMBLING/ 

Snow rests on the eagle statue atop the U.S. Federal Reserve in Washington January 26, 2016. The Federal Reserve is expected to leave interest rates unchanged on Wednesday and acknowledge that turmoil in financial markets threatens its upbeat view of the U.S. economy, leaving the chances of a March hike diminished but alive. REUTERS/Jonathan Ernst 

A man walks past the snow-covered grounds of the U.S. Federal Reserve in Washington January 26, 2016. The Federal Reserve is expected to leave interest rates unchanged on Wednesday and acknowledge that turmoil in financial markets threatens its upbeat view of the U.S. economy, leaving the chances of a March hike diminished but alive. REUTERS/Jonathan Ernst 

Snow covers the grounds of the U.S. Federal Reserve in Washington January 26, 2016. The Federal Reserve is expected to leave interest rates unchanged on Wednesday and acknowledge that turmoil in financial markets threatens its upbeat view of the U.S. economy, leaving the chances of a March hike diminished but alive. REUTERS/Jonathan Ernst 

Gilmar, who lives at a farm on the banks of of Rio Doce (Doce River), which was flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, is pictured in Linhares, Brazil, November 21, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the forecast of Brazil's environmental regulator IBAMA, the sediment will reach the sea in Espirito Santo state coast this weekend. Gilmar said he won't use the river water for the irrigation of his agriculture anymore. REUTERS/Ricardo Moraes 

A resident sits on the banks of Rio Doce (Doce River), flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Linhares, Brazil, November 21, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the forecast of Brazil's environmental regulator IBAMA, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

Gilmar (L), who lives at a farm on the banks of of Rio Doce (Doce River), which was flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, poses with his family in Linhares, Brazil, November 21, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the forecast of Brazil's environmental regulator IBAMA, the sediment will reach the sea in Espirito Santo state coast this weekend. Gilmar said he won't use the river water for the irrigation of his agriculture anymore. REUTERS/Ricardo Moraes 

A resident fishes at Rio Doce (Doce River), flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Linhares, Brazil, November 21, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the forecast of Brazil's environmental regulator IBAMA, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

Birds fly on Rio Doce (Doce River), flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Linhares, Brazil, November 21, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the forecast of Brazil's environmental regulator IBAMA, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

A loggerhead sea turtle (Caretta caretta) lays her eggs on the beach, about 4 kilometers from the mouth of Rio Doce in Regencia village, where, according to Brazil's environmental regulator IBAMA, the river is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Brazil November 20, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeasternBrazil on November 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to IBAMA's forecast, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

A member of the Brazilian Sea Turtle National Conservation Program (Projeto Tamar) checks a loggerhead sea turtle (Caretta caretta) after it laid eggs on the beach, about 4 kilometers from the mouth of Rio Doce in Regencia village, where, according to Brazil's environmental regulator IBAMA, the river is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Brazil November 20, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeasternBrazil on November 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to IBAMA's forecast, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

A member of the Brazilian Sea Turtle National Conservation Program (Projeto Tamar) checks a loggerhead sea turtle (Caretta caretta) after it laid eggs on the beach, about 4 kilometers from the mouth of Rio Doce in Regencia village, where, according to Brazil's environmental regulator IBAMA, the river is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Brazil November 20, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeasternBrazil on November 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to IBAMA's forecast, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

A loggerhead sea turtle (Caretta caretta) crawls to the sea after laying her eggs on the beach, about 4 kilometers of the mouth of Rio Doce in Regencia village, where, according to Brazil's environmental regulator IBAMA, the river is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Brazil November 20, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeasternBrazil on November 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to IBAMA's forecast, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

People observe a loggerhead sea turtle (Caretta caretta) crawling to the sea after laying her eggs on the beach, about 4 kilometers from the mouth of Rio Doce in Regencia village, where, according to Brazil's environmental regulator IBAMA, the river is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Brazil November 20, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on November 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to IBAMA's forecast, the sediment will reach the sea in Espirito Santo state coast this weekend. REUTERS/Ricardo Moraes 

Birds fly over the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

Researchers observe fishes rescued from the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

Fisherman Lucimar Souza reacts as he talks about the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

Volunteers carry a box of fishes rescued from the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

A shrimp is seen after being rescued by volunteers from the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

A view of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

A boy swims in the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

A volunteer holds a fish rescued from the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

A volunteer carries a box of fishes rescued from the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes 

Fisherman Lucimar Souza works on the rescue of fishes in the waters of the Rio Doce (Doce River) in Linhares, where, according to Brazil's environmental regulator IBAMA, is about to be flooded with mud after a dam, owned by Vale SA and BHP Billiton Ltd burst, Brazil, November 19, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. According to the predictions of Brazil's environmental regulator IBAMA, the mud will touch the sea, in Espirito Santo state coast, on this Friday. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

A dead fish is pictured in Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Naque, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12. REUTERS/Ricardo Moraes 

A boat is pictured in Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Santa Cruz do Escalvado, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12, 2015. REUTERS/Ricardo Moraes 

A boat is pictured in Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Santa Cruz do Escalvado, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12, 2015. REUTERS/Ricardo Moraes 

A dead fish is pictured in Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Santa Cruz do Escalvado, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12. REUTERS/Ricardo Moraes 

A boat is pictured in Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Naque, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12, 2015. REUTERS/Ricardo Moraes 

A general view shows the Rio Doce (Doce River) after a dam, owned by Vale SA and BHP Billiton Ltd burst, in Naque, Brazil, November 12, 2015. The collapse of two dams at a Brazilian mine has cut off drinking water for quarter of a million people and saturated waterways downstream with dense orange sediment that could wreck the ecosystem for years to come. Nine people were killed, 19 are still listed as missing and 500 people were displaced from their homes when the dams burst at an iron ore mine in southeastern Brazil on Nov. 5. Scientists say the sediment, which may contain chemicals used by the mine to reduce iron ore impurities, could alter the course of streams as they harden, reduce oxygen levels in the water and diminish the fertility of riverbanks and farmland where floodwater passed. Picture taken November 12, 2015. REUTERS/Ricardo Moraes