In pics: awarding ceremonies in 2019 IAAF World Athletics Championships

Silver medalists, athletes of Jamaica, gold medalists, athletes of the United States and bronze medalists, athletes of Belgium (from L to R) pose for photos during the awarding ceremony of men's 4X400m relay at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 6, 2019. (Xinhua/Wang Lili)