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Gold medalist Steven Gardiner of Bahamas licks the gold medal during the medal ceremony of the men's 400m at the 2019 IAAF World Championships in Doha, Qatar, Oct. 5, 2019. (Xinhua/Li Ming)
Gold medalist Steven Gardiner of Bahamas licks the gold medal during the medal ceremony of the men's 400m at the 2019 IAAF World Championships in Doha, Qatar, Oct. 5, 2019. (Xinhua/Li Ming)