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Grant Holloway (R) of the United States competes during the men's 110m hurdles final at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 2, 2019. (Xinhua/Li Ming)
Grant Holloway (R) of the United States competes during the men's 110m hurdles final at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 2, 2019. (Xinhua/Li Ming)