
Gold medalist Gregorio Paltrinieri of Italy poses after the awarding ceremony for men's 1500m freestyle swimming event at the 17th FINA World Championships held in Budapest, Hungary on July 30, 2017. (Xinhua/Ding Xu)

Gold medalist Gregorio Paltrinieri of Italy poses after the awarding ceremony for men's 1500m freestyle swimming event at the 17th FINA World Championships held in Budapest, Hungary on July 30, 2017. (Xinhua/Ding Xu)