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Ma Long of China returns the ball during the singles quarterfinal match against Niwa Koki of Japan at the 2017 ITTF men's singles table tennis World Cup in Liege, Belgium, Oct. 21, 2017. Ma Long won 4-1. (Xinhua/Ye Pingfan)
Ma Long of China returns the ball during the singles quarterfinal match against Niwa Koki of Japan at the 2017 ITTF men's singles table tennis World Cup in Liege, Belgium, Oct. 21, 2017. Ma Long won 4-1. (Xinhua/Ye Pingfan)