
Gold medalist Sarah Sjostrom of Sweden celebrates after winning women's 50m freestyle swimming final at the 17th FINA World Championships held in Budapest, Hungary on July 30, 2017. (Xinhua/Ding Xu)

Gold medalist Sarah Sjostrom of Sweden celebrates after winning women's 50m freestyle swimming final at the 17th FINA World Championships held in Budapest, Hungary on July 30, 2017. (Xinhua/Ding Xu)