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Alex Quinonez of Ecuador celebrates after the men's 200m final at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 1, 2019. (Xinhua/Jia Yuchen)

Alex Quinonez of Ecuador celebrates after the men's 200m final at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 1, 2019. (Xinhua/Jia Yuchen)