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Chinese athletes Wu Zhiqiang (2nd R) and Xie Zhenye (1st R) compete during the men's 4X100 meters relay heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Xu Suhui)
Chinese athletes Wu Zhiqiang (2nd R) and Xie Zhenye (1st R) compete during the men's 4X100 meters relay heat at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Xu Suhui)