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Waste litters the water as two sailors prepare for a training session at Rio de Janeiro's Guanabara Bay on August 1, 2016 ahead of the 2016 Rio Olympic Games. / AFP / WILLIAM WEST (Photo credit should read WILLIAM WEST/AFP via Getty Images)

Waste litters the water as two sailors prepare for a training session at Rio de Janeiro's Guanabara Bay on August 1, 2016 ahead of the 2016 Rio Olympic Games. / AFP / WILLIAM WEST        (Photo credit should read WILLIAM WEST/AFP via Getty Images)