Children try to catch a crab as they play on the polluted shore of Guanabara Bay in Rio de Janeiro, Brazil, Saturday, July 30, 2016. In Rio, the main tourist gateway to the country, a centuries-long sewage problem that was part of Brazil’s colonial legacy has spiked in recent decades in tandem with the rural exodus that saw the metropolitan area nearly double in size since 1970. The Summer Olympics begin Friday, Aug. 5, 2016 in Rio.
Children try to catch a crab as they play on the polluted shore of Guanabara Bay in Rio de Janeiro, Brazil, Saturday, July 30, 2016. In Rio, the main tourist gateway to the country, a centuries-long sewage problem that was part of Brazil’s colonial legacy has spiked in recent decades in tandem with the rural exodus that saw the metropolitan area nearly double in size since 1970. The Summer Olympics begin Friday, Aug. 5, 2016 in Rio. Felipe Dana The Associated Press
Children try to catch a crab as they play on the polluted shore of Guanabara Bay in Rio de Janeiro, Brazil, Saturday, July 30, 2016. In Rio, the main tourist gateway to the country, a centuries-long sewage problem that was part of Brazil’s colonial legacy has spiked in recent decades in tandem with the rural exodus that saw the metropolitan area nearly double in size since 1970. The Summer Olympics begin Friday, Aug. 5, 2016 in Rio. Felipe Dana The Associated Press

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Sports 101: Sludge; slow; slip and slick

August 01, 2016 9:08 PM

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