
Sally Pearson of Australia celebrates after Women's 100m Hurdles Final on Day 9 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 12, 2017. Sally Pearson claimed the title with 12.59 seconds. (Xinhua/Han Yan)

Sally Pearson of Australia celebrates after Women's 100m Hurdles Final on Day 9 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 12, 2017. Sally Pearson claimed the title with 12.59 seconds. (Xinhua/Han Yan)