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China's Xu Shuangshuang (R) competes during the women's 3,000m steeplechase heats at the 2019 IAAF World Athletics Championships in Doha, Qatar, Sept. 27, 2019. (Xinhua/Li Gang)
China's Xu Shuangshuang (R) competes during the women's 3,000m steeplechase heats at the 2019 IAAF World Athletics Championships in Doha, Qatar, Sept. 27, 2019. (Xinhua/Li Gang)