Peng Shuai of China grimacing as she is placed in a wheelchair after dropping to the court in pain during the semi-final match against Caroline Wozniacki of Denmark at the 2014 US Open tennis tournament in New York on Sept 5.
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    Chinese tennis player Peng Shuai celebrates her win over Switzerland's Belinda Bencic during their quarter-final match at the 2014 US Open.
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