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Olympics Day 8 - Swimming

Dana Vollmer, Missy Franklin, and Rebecca Soni of the United States cheer on team mate Allison Schmitt in the Women's 4x100m Medley Relay on Day 8 of the London 2012 Olympic Games at the Aquatics Centre on August 4, 2012 in London, England. (Photo by Al Bello/Getty Images)

A look back at the London Olympics

A look at some of the most memorable photos from the London 2012 Olympics. -- By Carla Thorpe, Yahoo! Sports