Usian Bolt of Jamaica reacts after the men's 100m final on Day Two at the IAAF World Championships 2017 in London, Britain on Aug. 5, 2017. (Xinhua/Han Yan)
Usian Bolt of Jamaica reacts after the men's 100m final on Day Two at the IAAF World Championships 2017 in London, Britain on Aug. 5, 2017. (Xinhua/Han Yan)