A look back at the London Olympics

Associated Press
U.S. gymnast Alexandra Raisman performs during the artistic gymnastics women's floor exercise final at the 2012 Summer Olympics, Tuesday Aug. 7, 2012, in London.  (AP Photo/Julie Jacobson)

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

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