Photos: Best of Olympics Day 15
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Credit: Getty Images
LONDON, ENGLAND - AUGUST 11: Usain Bolt of Jamaica crosses the finish line to win gold and set a new world record during the Men's 4 x 100m Relay Final on Day 15 of the London 2012 Olympic Games at Olympic Stadium on August 11, 2012 in London, England. (Photo by Julia Vynokurova/Getty Images)
