Looking ahead to Rio 2016

The 2012 London Olympics have come and gone, and preparation for the 2016 Games in Rio have already begun.

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Rio 2016 Olympics chief Carlos Nuzman smiles as he poses next to the Rio 2016 logo during a press conference on May 12, 2011 in Lausanne. AFP PHOTO/ SEBASTIEN FEVAL (Photo credit should read SEBASTIEN FEVAL/AFP/Getty Images)

Rio Begins Planning For 2016 Summer Olympic Games

RIO DE JANEIRO, BRAZIL - DECEMBER 10: The stadium Estadio Olimpico Joao Havelange is empty of people on December 10, 2009 in Rio de Janeiro, Brazil. The stadium will be used for track & field events competitions at the 2016 Summer Olympics in Rio de Janeiro. The stadium's capacity is to be increased to 60,000 from 47,000 before the Olympics begin. (Photo by Spencer Platt/Getty Images)

Counting down the the 2016 Rio Olympics

LONDON, ENGLAND - JULY 20: A countdown clock to the 2016 Olympic Games in the entrance lobby to 'Casa Brasil' (Brazil House) in Somerset House, which is being used throughout the Olympic and Paralympic Games on July 20, 2012 in London, England. The Brazilian-themed venue will be used to entertain athletes, visitors and special guests as well as promoting the next Olympic Games which will be held in Rio de Janeiro in 2016. (Photo by Oli Scarff/Getty Images)