Gold medalist Xu Jiayu (C) of China, silver medalist Evgeny Rylov (L) of Russia and bronze medalist Mitchell Larkin of Australia pose during the awarding ceremony of the men's 100m backstroke final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 23, 2019. (Xinhua/Tao Xiyi)