(FILES) A photo taken on August 20, 2008 shows Jamaican sprinter Usain Bolt celebrating winning the men's 200m final at the 'Bird's Nest' National Stadium during the 2008 Beijing Olympic Games . Defending double sprint champion Usain Bolt will be Jamaica's flag bearer at the opening ceremony of the 2012 London Olympic Games, an official said on July 26, 2012.   AFP PHOTO / FABRICE COFFRINI        (Photo credit should read FABRICE COFFRINI/AFP/GettyImages)