This file photo shows the view of Guanabara Bay, in Rio de Janeiro, Brazil on April 28, 2015. The Rio 2016 Olympic Games will be held from August 5 to 21. (Photo/Xinhua)
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This file photo shows the view of Guanabara Bay, in Rio de Janeiro, Brazil on April 28, 2015. The Rio 2016 Olympic Games will be held from August 5 to 21. (Photo/Xinhua)
