Opening day of the London Olympic Games brought some major surprises. China won the first gold medal of the Games.
London Olympics Day 1
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Michael Phelps of the U.S. reacts after finishing in fourth place in the men's 400m individual medley during the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)