Highlights of 2019 FINA World Championships day 6

Caeleb Dressel of the United States starts during the men's 100m butterfly semifinal at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 26, 2019. Dressel set a new world record with 49.50 seconds. (Xinhua/Bai Xuefei)