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Steven Gardiner (C) of Bahamas competes during the men's 400 meter final at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Li Gang)
Steven Gardiner (C) of Bahamas competes during the men's 400 meter final at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Li Gang)