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RIO DE JANEIRO, BRAZIL - OCTOBER 02: Crowd gather to celebrate the International Olympic Committee's announcement of Rio de Janeiro as the 2016 Olympic host, at Copacabana Beach, on October 2, 2009 in Rio de Janeiro Brazil. Rio overthrew Chicago, Madrid and Tokyo. (Luciana Whitaker/LatinContent via Getty Images)

RIO DE JANEIRO, BRAZIL - OCTOBER 02:  Crowd gather to celebrate the International Olympic Committee's announcement of Rio de Janeiro as the 2016 Olympic host, at Copacabana Beach, on October 2, 2009 in Rio de Janeiro Brazil. Rio overthrew Chicago, Madrid and Tokyo. (Luciana Whitaker/LatinContent via Getty Images)