FILE - In this July 4, 2016 file photo, Sugar loaf mountain and Guanabara bay are seen behind the Christ the Redeemer statue in Rio de Janeiro, Brazil. Rio organizers promised to clean up polluted Guanabara Bay in their winning bid in 2009. During the Olympics, officials used stop-gap measures to keep floating sofas, logs, and dead animals from crashing into boats during the sailing events. Since the Olympics, the bankrupt state of Rio de Janeiro has ceased major efforts to clean the bay, with the unwelcome stench usually drifting along the highway from the international airport. (AP Photo/Felipe Dana)
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