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Karsten Warholm of Norway reacts after the men's 400m hurdles at the IAAF Diamond League in Paris, France, on Aug. 24, 2019. (Photo by Aurelien Morissard/Xinhua)
Karsten Warholm of Norway reacts after the men's 400m hurdles at the IAAF Diamond League in Paris, France, on Aug. 24, 2019. (Photo by Aurelien Morissard/Xinhua)