China Short Course Swimming Championships underway

Gold medalist and new world record holder Australia's Ariarne Titmus, right, hugs USA's Leah Smith after the women's 400m freestyle at 14th FINA World Swimming Championships in Hangzhou, China Friday, Dec. 14, 2018. Titmus broke the world record with a time of 3:53.92.[Photo: AP/Ng Han Guan]