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Gold medalist, Nia Ali of the United States, poses for photos during the awarding ceremony of women's 100m hurdles at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 6, 2019. (Xinhua/Wang Lili)

Gold medalist, Nia Ali of the United States, poses for photos during the awarding ceremony of women's 100m hurdles at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 6, 2019. (Xinhua/Wang Lili)