Gold medalist Gregorio Paltrinieri (C) of Italy, silver medalist Henrik Christiansen (L) of Norway and bronze medalist David Aubry of France pose for photos during the awarding ceremony of the men's 800m freestyle final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 24, 2019. (Xinhua/Wang Jingqiang)