Swimming at 2008 Summer Olympics in Beijing

USA's Michael Phelps struggles out of the water after swimming the Butterfly part of the Men's 4x100M, helping the US team set a world record and win gold, at the National Aquatic Center (Water Cube) during the 2008 Summer Olympics in Beijing, China, on August 17, 2008. Phelps set the world record for medals in a single Olympics with 8, passing Mark Spitz. (UPI Photo/Roger L. Wollenberg)