Janice Sarad, 22, who works for a bank, exits the Cubao MRT station in Quezon City, Philippines, December 3, 2018. Sarad sometimes takes the train to avoid the heavy traffic on the road. Trains to Metro Manila however are just as crowded as the traffic-congested roads, especially during rush hour. "It's really annoying how crowded it is sometimes. It becomes so smelly, so sweaty, you can even smell other people's breath," she said. REUTERS/Eloisa Lopez SEARCH "LOPEZ SARAD" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Athletics - World Athletics Championships – men’s 100 metres heat – London Stadium, London, Britain – August 4, 2017 – Justin Gatlin of the U.S. finishes the heat ahead of Gavin Smellie of Canada and Andrew Fisher of Bahrain. REUTERS/John Sibley

Athletics - World Athletics Championships – men’s 100 metres heat – London Stadium, London, Britain – August 4, 2017 – Justin Gatlin of the U.S. finishes the heat ahead of Gavin Smellie of Canada and Kukyoung Kim of South Korea. REUTERS/John Sibley

Athletics – World Athletics Championships – men’s 100 metres heat – London Stadium, London, Britain – August 4, 2017 – Justin Gatlin of the U.S. and Gavin Smellie of Canada in action. REUTERS/Lucy Nicholson

Athletics – World Athletics Championships – men’s 100 metres heat – London Stadium, London, Britain – August 4, 2017 – Justin Gatlin of the U.S. and Gavin Smellie of Canada in action, REUTERS/Lucy Nicholson

Shannon Winckler from Wheaton, Illinois, sits before her shoes are judged during the Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

Shannon Winckler from Wheaton, Illinois, sits before her shoes are judged during the Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton

Vito Mendez from White Sands Missile Range, New Mexico, stands while his shoe is judged during the Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton

A judge examines a sneaker during the Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton

Connor Slocombe, from Eagle River, stands while his shoes are judged during the Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton

Connor Slocombe, from Eagle River, Alaska, holds his trophy with other contestants after winning Odor-Eater's Rotten Sneaker Contest at Ripley's Believe It or Not! in Times Square in New York, U.S., March 28, 2017. REUTERS/Shannon Stapleton

Brazil's arid northeast is weathering its worst drought on record and Campina Grande, which has 400,000 residents that depend on the reservoir, is running out of water. After two years of rationing, residents complain that water from the reservoir is dirty, smelly and undrinkable. Those who can afford to do so buy bottled water to cook, wash their teeth with, and even to give their pets. The reservoir is down to 4 percent of capacity and rainfall is expected to be sparse this year. "If it does not fill up, the city's water system will collapse by mid-year," says Janiro Costa Rego, an expert on water resources and hydraulics professor at Campina Grande's federal university. "It would be a holocaust. You would have to evacuate the city." REUTERS/Ueslei Marcelino SEARCH "BRAZIL DROUGHT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY. Matching text: BRAZIL-DROUGHT/

A youth cools himself off at a water fountain near Marina Bay in Singapore July 27, 2015. Fifty years ago, Singapore was rationing water and struggling with smelly rivers devoid of fish and choked with waste from shipbuilding, pig and duck farms, and toilets that emptied directly into the streams. At that time, the 700 sq km island nation relied on three protected reservoirs and water imported from neighbouring Malaysia. Today, Singapore collects rainwater from two-thirds of its land through an 8,000-km drain network into 17 reservoirs; reclaims "used water" from a deep tunnel sewerage system up to 60 m below ground; and is developing technology to halve the energy used to desalinate seawater. Picture taken July 31, 2015. REUTERS/Edgar Su

Canada's Aaron Brown (L) and Gavin Smellie drop the baton on a transfer during round 1 of the men's 4x200 relay race at the IAAF World Relays Championships in Nassau Bahamas, May 3, 2015. REUTERS/Mike Segar

A reveller walks through garbage strewn on the pavement in the Lapa neighborhood in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

Revellers walk through garbage strewn on a pavement in front of the Arcos da Lapa water duct in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

Garbage is seen on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY)

Residents walk near a dustbin filled with garbage on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

A woman walks past garbage strewn on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

Garbage is seen on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

A reveller walks through garbage strewn on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

A man walks through garbage strewn on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

A man walks through garbage strewn on Ipanema beach in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

Revellers perform next to garbage strewn on the pavement in the Lapa neighborhood in Rio de Janeiro March 5, 2014. If the hangovers many are nursing after their annual Carnival celebrations weren't enough, residents of Rio de Janeiro awoke Wednesday to smelly streets, mounting household garbage and heaps of party refuse uncollected for a fifth consecutive day. The result of a trash collectors' strike timed to coincide with the festival, which officially ended Wednesday, the growing garbage backlog is a fetid after note to revelry that this year drew as many as 5 million people to the streets of Brazil's second-biggest city. REUTERS/Sergio Moraes (BRAZIL - Tags: SOCIETY ENVIRONMENT)

A combination of three images shows Manuela and Herbert Schmid posing for a picture in their flood-affected living room in Fischerdorf, a suburb of the eastern Bavarian city of Deggendorf. Picture on top taken on June 12, 2013 shortly after the floods of the nearby Danube subsided, in the middle on June 21, 2013, after the oily water soaked and smelly plastering was removed from the walls and on bottom on December 15, 2013 after the oily soaked walls had been remove, the walls had been newly plastered and the oily water soaked concrete floor had been sealed with bitumen. REUTERS/Wolfgang Rattay (GERMANY - Tags: POLITICS DISASTER)

Bronze medallists team Canada pose during the victory ceremony for the men's 4x100 metres relay at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013. Pictured are (L-R) Dontae Richards-Kwok, Aaron Brown Gavin Smellie and Justyn Warner. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT ATHLETICS)

Bronze medallists team Canada pose during the victory ceremony for the men's 4x100 metres relay at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 18, 2013. Pictured are (L-R)Dontae Richards-Kwok, Gavin Smellie, Aaron Brown and Justyn Warner. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT ATHLETICS)

(L to R) Canada's Jared Connaughton, Gavin Smellie, Justyn Warner and Oluseyi Smith react as they are disqualified from the men's 4x100m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. REUTERS/David Gray (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS)

Canada's Justyn Warner, Oluseyi Smith, Jared Connaughton and Gavin Smellie (L-R) pose after the men's 4x100m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. Canada finished third but were disqualified. REUTERS/Lucy Nicholson (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Beachgoers walk past colour coded shark warning flags, black indicating poor visibility, on Cape Town's Fish Hoek beach, April 25, 2012. Fish Hoek lies on the edge of False Bay, home to a large concentration of Great White sharks. A fatal shark attack a week ago has triggered a wave of anger against the practise of chumming, the luring of great white sharks with a smelly mixture of fish and oil by tour operators and researchers, with surfers and swimmers calling for a ban on the practice. REUTERS/Mike Hutchings (SOUTH AFRICA - Tags: ENVIRONMENT)

Beachgoers walk past colour coded shark warning flags, black indicating poor visibilty, on Cape Town's Muizenberg beach, April 25, 2012. Muizeberg lies on the edge of False Bay, home to a large concentration of Great White sharks. A fatal shark attack a week ago has triggered a wave of anger against the practise of chumming, the luring of great white sharks with a smelly mixture of fish and oil by tour operators and researchers, with surfers and swimmers calling for a ban on the practice. REUTERS/Mike Hutchings (SOUTH AFRICA - Tags: ENVIRONMENT TRAVEL)

Beachgoers sit behind a signboard explaining the colour coded shark warning flags, on Cape Town's Muizenberg beach, April 25, 2012. Muizeberg lies on the edge of False Bay, home to a large concentration of Great White sharks. A fatal shark attack a week ago has triggered a wave of anger against the practise of chumming, the luring of great white sharks with a smelly mixture of fish and oil by tour operators and researchers, with surfers and swimmers calling for a ban on the practice. REUTERS/Mike Hutchings (SOUTH AFRICA - Tags: ENVIRONMENT TRAVEL)

A boy covers his nose and mouth against the smoke coming from a burning house believed to belong to a Gaddafi loyalist in Tripoli September 20, 2011. Citizens in the neighborhood burnt several houses belonging to senior military officers they called Gaddafi loyalists. REUTERS/Suhaib Salem (LIBYA - Tags: CONFLICT TPX IMAGES OF THE DAY)

A Libyan rebel walks away from bodies found in a mass grave of rebel fighters killed by forces loyal to Muammar Gaddafi in Om El Qandil, 90 km (56 miles) west of Ras Lanuf, September 3, 2011. REUTERS/Esam Al-Fetori (LIBYA - Tags: CONFLICT MILITARY)

Rubbish is set on fire during a protest in downtown Naples June 23, 2011. The chronic problems over waste disposal in Italy's third-largest city have re-emerged in recent days with thousands of tonnes of rubbish piled up in the streets and furious residents clashing with police as regional authorities try to reach an agreement on moving the garbage to dumps outside Naples. REUTERS/Ciro De Luca (ITALY - Tags: POLITICS CIVIL UNREST SOCIETY)

Visitors take pictures of a Titan Arum (Amorphophallus titanum), one of the world's largest and rare tropical flower, at Basel's Botanical Garden April 23, 2011. The flower, which emits strong odor to attract pollinators, wilts and dies after two days. REUTERS/Christian Hartmann (SWITZERLAND - Tags: ENVIRONMENT SOCIETY)

Visitors take pictures of a Titan Arum (Amorphophallus titanum), one of the world's largest and rare tropical flower, at Basel's Botanical Garden April 23, 2011. The flower, which emits strong odour to attract pollinators, wilts and dies after two days. REUTERS/Christian Hartmann (SWITZERLAND - Tags: ENVIRONMENT SOCIETY IMAGES OF THE DAY)

A woman covering her face walks past garbage during a protest by public sector workers demanding for an increase in their salaries, in Valparaiso City, about 93 km (58 miles) northwest of Santiago, December 12, 2010. REUTERS/Eliseo Fernandez (CHILE - Tags: POLITICS CIVIL UNREST EMPLOYMENT BUSINESS SOCIETY)

Kirby Squires (L) poses for a photo with the Amorphophallus titanum plant, better known as the "Corpse Flower", as it blooms inside the Houston Museum of Natural Science in Houston July 23, 2010. Corpse flower blooms are extremely rare and release a strong odor of rotting meat in order to attract pollinating insects. REUTERS/Richard Carson (UNITED STATES - Tags: SOCIETY ENVIRONMENT)

Visitors line up at the Houston Museum of Natural Science to catch a glimpse, and a whiff, of the rare Corpse Flower, which emits a carrion-like stench when it blooms to attract pollinating insects July 15, 2010. Thousands of people are breathlessly waiting for one of the largest and rarest flowers in the world to bloom, but when Lois the Corpse Flower finally unfurls, they may want to hold their breath. This will be the first time the seven-year-old plant has produced the stinking flower for which it is named, and the bloom is expected to last for only three days. After that, Lois might never bloom again, said Zac Stayton, a horticulturist with the Houston Museum of Natural Science, where the five-and-a-half foot plant plant is the star attraction. Picture taken July 15, 2010. REUTERS/Alyson Zepeda (UNITED STATES - Tags: SOCIETY SCI TECH)

A man covers his face due to the stink of corpses outside a mortuary as he waits to collect the body of his relative, a victim of a train crash, in Mednipur town in the eastern Indian state of West Bengal May 29, 2010. Indian police began searching for Maoists rebels on Saturday believed responsible for sabotaging a crowded passenger train, as rescuers continued pulling bodies from the wreckage. REUTERS/Parth Sanyal (INDIA)

Policemen cover their noses while guarding the recovery of victims from a shallow grave at the massacre site of a political clan that included several journalists in the outskirts of Ampatuan, Maguindanao in southern Philippines November 25, 2009. The latest death toll in the massacre is 52, police said on Wednesday. REUTERS/Erik de Castro (PHILIPPINES CRIME LAW CONFLICT MILITARY POLITICS IMAGES OF THE DAY)

Police sergeant Delroy Smellie (R) leaves City of Westminster Magistrates Court in London November 16, 2009. Smellie pleaded not guilty to a charge of common assault by striking Nicola Fisher in the City of London on April 2 as the leaders of the G20 nations gathered for an economic summit. REUTERS/Stefan Wermuth (BRITAIN CONFLICT CRIME LAW)

Police sergeant Delroy Smellie arrives at the City of Westminster Magistrates Court in London November 16, 2009. Smellie pleaded not guilty to a charge of common assault by striking Nicola Fisher in the City of London on April 2 as the leaders of the G20 nations gathered for an economic summit. REUTERS/Stefan Wermuth (BRITAIN CONFLICT CRIME LAW)

Police sergeant Delroy Smellie (R) leaves City of Westminster Magistrates Court in London November 16, 2009. Smellie pleaded not guilty to a charge of common assault by striking Nicola Fisher in the City of London on April 2 as the leaders of the G20 nations gathered for an economic summit. REUTERS/Stefan Wermuth (BRITAIN CONFLICT CRIME LAW)

Police sergeant Delroy Smellie (R) leaves City of Westminster Magistrates Court in London November 16, 2009. Smellie pleaded not guilty to a charge of common assault by striking Nicola Fisher in the City of London on April 2 as the leaders of the G20 nations gathered for an economic summit. REUTERS/Stefan Wermuth (BRITAIN CONFLICT CRIME LAW)

Somali civilians stand over the body of a man shot dead in the capital Mogadishu October 10, 2009. Fighting between Somali government forces and Islamic insurgents has killed 19,000 civilians since the start of 2007 and driven another 1.5 million from their homes. REUTERS/Feisal Omar (SOMALIA CONFLICT POLITICS IMAGES OF THE DAY)

Locals cover their faces from the smell as rescue workers unearth a family in the earthquake-ravaged village of Tandikat, Indonesia's West Sumatra province October 6, 2009. Health workers doused the Indonesian city of Padang with disinfectant to ward off disease outbreaks and helicopters dropped aid to survivors six days after a devastating earthquake. REUTERS/Dylan Martinez (INDONESIA ENVIRONMENT SOCIETY DISASTER)

Usain Bolt of Jamaica checks his time next to Gavin Smellie of Canada (L) after the 200 metres quarter-final first heat during the world athletics championships at the Olympic stadium in Berlin, August 18, 2009. REUTERS/Phil Noble (GERMANY SPORT ATHLETICS)

Gavin Smellie of Canada, Robert Hering of Germany and Ramone McKenzie of Jamaica (L-R) finish in the men's 200 metres heats during the world athletics championships at the Olympic stadium in Berlin, August 18, 2009. REUTERS/Tobias Schwarz (GERMANY)

Youths cover their noses as they walk near the site of a mud eruption which flowed to a paddy field at Carenang district in Serang, Indonesia's Banten province, June 24, 2009. A mud eruption occurred last week when a worker was creating a well to supply drinking water for a local health facility, a district official said on Wednesday. REUTERS/Beawiharta (INDONESIA ENVIRONMENT DISASTER)

A woman walks past dead bluefin tuna heads dumped by Greenpeace activists in front of the Agriculture Ministry in Paris November 17, 2008 to protest the continued mismanagement of the Eastern Atlantic and Mediterranean bluefin tuna fishery that is leading to the commercial extinction of the species. REUTERS/Charles Platiau (FRANCE)

A boy scavenges through a garbage dump at a slum on the outskirts of Lahore October 23, 2008. REUTERS/Mohsin Raza (PAKISTAN)

Jared Connaughton (R) runs past Gavin Smellie to win the Men 200 Meter event at the Track and Field Canadian Trials in Windsor, Ontario, July 6, 2008. Smellie finished third in the event.
REUTERS/ Mike Cassese (CANADA) (BEIJING OLYMPICS 2008 PREVIEW)

A woman covers her nose as she looks at a butchered Baird's Beaked whale at Wada port in Minamiboso, southeast of Tokyo, June 28, 2008. Whales emerged the big losers as a weeklong International Whaling Commission meeting wrapped up in Chile on Friday, conservation groups said after anti-whaling nations failed to halt No. 1 hunter Japan. REUTERS/Toru Hanai (JAPAN)

A fetid river flows through Mabella slum in Sierra Leone's capital Freetown, March 13, 2008. In Sierra Leone, which ranks bottom of the U.N. Human Development Index, more than a quarter of children die before their fifth birthday, often through avoidable water-related illnesses like diarrhoea. To match feature WATER-LEONE REUTERS/Katrina Manson (SIERRA LEONE)

A bulldozer maneuvers through trash at the recycling site at the Hiriya landfill in Tel Aviv November 12, 2007. The landfill, a flat-topped mountain rising 60 metres (197 ft) above the flatlands outside Tel Aviv, was for 50 years the smelly dumping grounds for most of the country's household trash.The dump is still a bustle of trucks and trash now only being recycled using experimental green technologies. Picture taken November 12, 2007. To match ISRAEL-ENVIRONMENT. REUTERS/Gil Cohen Magen (ISRAEL)

Vehicles maneuver through trash at the recycling site at the Hiriya landfill in Tel Aviv November 12, 2007. The landfill, a flat-topped mountain rising 60 metres (197 ft) above the flatlands outside Tel Aviv, was for 50 years the smelly dumping grounds for most of the country's household trash.The dump is still a bustle of trucks and trash now only being recycled using experimental green technologies. Picture taken November 12, 2007. To match ISRAEL-ENVIRONMENT. REUTERS/Gil Cohen Magen (ISRAEL)