
Bronze medalist Usain Bolt of Jamaica looks on during the awarding ceremony for Men's 100m Final on Day 3 of the 2017 IAAF World Championships in London, Britain, on Aug. 6, 2017. (Xinhua/Luo Huanhuan)

Bronze medalist Usain Bolt of Jamaica looks on during the awarding ceremony for Men's 100m Final on Day 3 of the 2017 IAAF World Championships in London, Britain, on Aug. 6, 2017. (Xinhua/Luo Huanhuan)