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Olympic highlights: Photos from Days 1-4

July 31, 2012, 12:25 p.m.
Ning Ding of China plays a forehand during the women's singles table tennis quarterfinal match

Photo: Feng Li/Getty Images

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Putting your head in the game

Ning Ding of China plays a forehand during the women's singles table tennis quarterfinal match against Ai Fukuhara of Japan on Day 4 inside London's ExCeL.