FILE - In this Feb. 28, 2015 file photo, trash floats on the water along a fence line in the Guanabara Bay in Rio de Janeiro, Brazil. The world governing body of sailing threaten Friday, April 24, 2015, to move events for the Rio 2016 Olympics out of the city's polluted Guanabara Bay unless "a whole lot more is done very quickly" to clear the venue of floating debris and sewage. (AP Photo/Leo Correa, File)
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