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File photo taken on Sept. 30, 2019 shows gold medalist Liu Hong (C), silver medalist Qieyang Shijie (L) and bronze medalist Yang Liujing celebrating winning women's 20km race walk during the 2019 IAAF World Athletics Championships in Doha, Qatar. China grabbed three gold, three silver and three bronze medals at the 2019 World Athletics Championships in Doha, representing the country's best performance at the competition since the 1993 World Championships in Stuttgart. (Xinhua/Xu Suhui)