U.S. team hold their national flags after they won the women's 4x400m relay final at the London 2012...
(From L to R) Sanya Richards-Ross, DeeDee Trotter, Allyson Felix and Francena McCorory of the U.S. hold their national flags after they won the women's 4x400m relay final at the London 2012 Olympic Games at the Olympic Stadium August 11, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)