In a picture taken through a glass window US swimmer Dana Vollmer competes in the women's 100m butterfly semi-final swimming event at the London 2012 Olympic Games on July 28, 2012 in London. AFP PHOTO / GABRIEL BOUYS
Ghana's Isaac Dogboe (L) fights against Japan's Satoshi Shimizu in the Men's Bantam (56kg) Round of 32 Bout 12 boxing match at ExCeL venue during the London 2012 Olympic Games July 28, 2012. REUTERS/Murad Sezer (BRITAIN - Tags: SPORT BOXING OLYMPICS)