This picture taken on August 11, 2008 shows US swimmer Michael Phelps reacting as his team wins the men's 4 x 100m freestyle swimming relay final held at the National Aquatics Center in the 2008 Beijing Olympic Games in Beijing. The American team led by the world record holder Michael Phelps won the gold in the men's 4x200 metres freestyle relay, August 13, 2008. [Agencies]