Trash floats on the water of Botafogo beach next to the Sugar Loaf mountain and the Guanabara Bay where sailing athletes will compete during the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, July 30, 2016. A recent investigation by Associated Press on water quality at aquatic venues for the 2016 Olympic Games in Rio de Janeiro, Brazil, has raised concerns about the risk to the health of athletes who will compete. The games start on August 5.