
Athletes of the United States celebrate after winning the women's 4x100m relay final on Day 9 at the IAAF World Championships 2017 in London, Britain on Aug. 12, 2017. Team of the United States claimed the title with 41.82 seconds. (Xinhua/Han Yan)

Athletes of the United States celebrate after winning the women's 4x100m relay final on Day 9 at the IAAF World Championships 2017 in London, Britain on Aug. 12, 2017. Team of the United States claimed the title with 41.82 seconds. (Xinhua/Han Yan)