People are seen on the bank of Spree river in the setting sun, amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, March 2, 2021. REUTERS/Annegret Hilse

People are seen on the bank of Spree river in the setting sun, amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, March 2, 2021. REUTERS/Annegret Hilse

A woman sits on a bench near Spree river, amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, March 2, 2021. REUTERS/Annegret Hilse

People sit at a bar terrace near river Sava, as the coronavirus disease (COVID-19) outbreak continues in Belgrade, Serbia, March 1, 2021. REUTERS/Marko Djurica

People spend time near the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People sit along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People sit along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier TPX IMAGES OF THE DAY

People sit along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People sit near the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People sit near the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Seine river, amid the coronavirus disease (COVID-19) outbreak, in Paris, France, February 28, 2021. REUTERS/Benoit Tessier

People walk along the Andreyevsky Bridge over the Moskva River during a sunny day in Moscow, Russia February 27, 2021. REUTERS/Shamil Zhumatov

A kayaker paddles along the Dnipro River partially covered with ice in Kyiv, Ukraine February 26, 2021. REUTERS/Valentyn Ogirenko

Graphic shows the approximate route of the tunnel were the workers get trapped due the flash flood of the Dhauliganga river in northern India in Feb. 7.

Experts think a large chunk of ice or rock fell, triggering a devastating surge of water down a river in northern India.

A woman walks with a dog along the banks of the Dnipro river, on a sunny winter day in Kyiv, Ukraine February 25, 2021. REUTERS/Valentyn Ogirenko

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People mourn the death of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, by the Danube river after he died from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people moun his death after he died from coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

A picture of Djordje Balasevic, a Serbian singer who remained widely popular throughout the former Yugoslavia, is projected on the walls of Petrovaradin fortress by the Danube river as people mourn after his death from the coronavirus disease (COVID-19), in Novi Sad, Serbia, February 22, 2021. REUTERS/Marko Djurica

People walk along the River Thames, amid the coronavirus disease (COVID-19) outbreak, in London, Britain February 22, 2021. REUTERS/Hannah McKay

A woman walks along the River Thames with the Houses of Parliament in the background, amid the coronavirus disease (COVID-19) outbreak, in London, Britain February 22, 2021. REUTERS/Hannah McKay

People spend time in the sunshine on the banks of the river Rhine amid the coronavirus disease (COVID-19) pandemic in Cologne, Germany, February 21, 2021. REUTERS/Thilo Schmuelgen

People spend time in the sunshine on the banks of the river Rhine amid the coronavirus disease (COVID-19) pandemic in Cologne, Germany, February 21, 2021. REUTERS/Thilo Schmuelgen

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 19, 2021 River Radamus of the U.S. in action during his second run in the men's giant slalom REUTERS/Denis Balibouse

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 19, 2021 River Radamus of the U.S. reacts after his first run in the men's giant slalom REUTERS/Leonhard Foeger

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 19, 2021 River Radamus of the U.S. in action during his first run in the men's giant slalom REUTERS/Denis Balibouse

A 21st century construction boom is driving unregulated sand mining around the world - eroding rivers and coastlines, disrupting ecosystems and hurting livelihoods.

A man clears snow from a pier over the Hudson River near Hook Mountain (back) during a winter storm in Nyack, a suburb of New York City, New York, U.S., February 18, 2021. REUTERS/Mike Segar

Snow covered Canada geese float amid ice on the Hudson River during a winter storm in Nyack, a suburb of New York City, New York, U.S., February 18, 2021. REUTERS/Mike Segar

Snow covered Canada geese float amid ice on the Hudson River during a winter storm in Nyack, a suburb of New York City, New York, U.S., February 18, 2021. REUTERS/Mike Segar

A general view of the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

Employees place a goal post on the field of the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker carries a bucket of sand at the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker carries pipes at the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker carries a bucket of sand at the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker carries a bucket of sand at the Estadio Monumental Antonio Vespucio Liberti stadium during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

Birds fly over the stands of the Estadio Monumental Antonio Vespucio Liberti during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker paints the stands of the Estadio Monumental Antonio Vespucio Liberti during the restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker welds pipes at the Estadio Monumental Antonio Vespucio Liberti during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

A worker welds pipes at the Estadio Monumental Antonio Vespucio Liberti during restoration works ahead of its reopening, in Buenos Aires, Argentina February 18, 2021. REUTERS/Agustin Marcarian

Abdel Mohayman Shehata Ali, a 68-year-old man, works out along the bank of the Nile river, in Cairo, Egypt February 14, 2021. Picture taken February 14, 2021. REUTERS/Ahmed Fahmy

Abdel Mohayman Shehata Ali, a 68-year-old man, works out along the bank of the Nile river, in Cairo, Egypt February 14, 2021. Picture taken February 14, 2021. REUTERS/Ahmed Fahmy

Alpine Skiing - FIS Alpine World Ski Championships - Cortina d'Ampezzo, Italy - February 17, 2021 River Radamus of the U.S. in action during the mixed team parallel REUTERS/Leonhard Foeger

A man stands on a boat while looking at thousands of dead sardines washed up on the shores of the Laraquete river, as local authorities say the fish could have died due to a lack of oxygen in the water, in Laraquete, Chile February 15, 2021. Picture taken February 15, 2021. REUTERS/Jose Luis Saavedra

A man looks at thousands of dead sardines washed up on the shores of the Laraquete river, as local authorities say the fish could have died due to a lack of oxygen in the water, in Laraquete, Chile February 15, 2021. Picture taken February 15, 2021. REUTERS/Jose Luis Saavedra