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Xu Zhouzheng (2nd L) and Wu Zhiqiang (1st L) of Team China compete during the Men's 4X100 Meters Relay heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 4, 2019. (Xinhua/Wang Jingqiang)
Xu Zhouzheng (2nd L) and Wu Zhiqiang (1st L) of Team China compete during the Men's 4X100 Meters Relay heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 4, 2019. (Xinhua/Wang Jingqiang)