Medal ceremony of men's 400m held at 2019 IAAF World Championships in Doha

Gold medalist Steven Gardiner (C) of Bahamas, silver medalist Anthony Jose Zambrano (L) of Colombia and bronze medalist Fred Kerley of the United States pose for photos during the medal ceremony of the men's 400m at the 2019 IAAF World Championships in Doha, Qatar, Oct. 5, 2019. (Xinhua/Li Ming)