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Pedestrians walk past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confiden Stock Photo - Alamy
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Retired Chinese tennis star Li Na, center, attends the Nike Women's N+TC Tours event in Shanghai, China, 8 March 2015 Stock Photo - Alamy
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A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
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