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Olympics Day 1 - Tennis

LONDON, ENGLAND - JULY 28: Anne Keothavong of Great Britain returns a shot against Caroline Wozniacki of Denmark during their Women's Singles Tennis match on Day 1 of the London 2012 Olympic Games at the All England Lawn Tennis and Croquet Club in Wimbledon on July 28, 2012 in London, England. (Photo by Clive Brunskill/Getty Images)

Olympics: Day 1

A look at some of the highlights from the first day of the Olympics.