Ning Zetao (L) talks with coach before a training session during the 13th Chinese National Games in north China's Tianjin Municipality, Aug. 30, 2017. (Xinhua/Ding Xu)
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Ning Zetao (L) talks with coach before a training session during the 13th Chinese National Games in north China's Tianjin Municipality, Aug. 30, 2017. (Xinhua/Ding Xu)