Gabrielle Douglas of the U.S. performs on the balance beam during the women's gymnastics qualification at the North Greenwich Arena during the London 2012 Olympic Games July 29, 2012. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT GYMNASTICS OLYMPICS TPX IMAGES OF THE DAY)
Kelci Bryant and Abigail Johnston (L) of the U.S. hug after winning silver at the women's synchronised 3m springboard final during the London 2012 Olympic Games at the Aquatics Centre July 29, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT DIVING)
Taiwan's Hsiao Mei Yu (58), South Korea's Na Ah-reum (54), Brazil's Fernanda da Silva Souza (40) and Venezuela's Danielys Garcia (47) try to recover from a crash during the women's cycling road race final at the London 2012 Olympic Games July 29, 2012. REUTERS/Stefano Rellandini (BRITAIN - Tags: SPORT OLYMPICS CYCLING)