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Gold medalist Karsten Warholm of Norway poses with the medal during the men's 400m hurdles awarding ceremony at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 1, 2019. (Xinhua/Li Ming)
Gold medalist Karsten Warholm of Norway poses with the medal during the men's 400m hurdles awarding ceremony at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 1, 2019. (Xinhua/Li Ming)