A participant downshifts his kayak during the canoe slalom event at the China National Youth Games in Zhangjiajie, central China's Hunan Province, May 28, 2019. /VCG Photo

Chelsea players celebrate after defeating Arsenal 4-1 to win the Europa League trophy in Baku, Azerbaijan, May 29, 2019. /VCG Photo

Pascal Siakam #43 of the Toronto Raptors shoots the ball during the NBA Finals Game One, he contributed 32 points to Raptors' 118-109 win against Warriors, in Toronto, Canada, May 30, 2019. /VCG Photo

Zhu Ting (L) hugs Zhang Changning to cheer for Team China's 3-0 victory over South Korea during the FIVB Women's Volleyball Nations League in south China's Macao SAR, May 30, 2019. /VCG Photo

Jay Bouwmeester (L) of the St. Louis Blues battles for the puck with Marcus Johansson of the Boston Bruins during the NHL Stanley Cup playoffs, the Bruins blasted the Blues 7-2 in Game 3, in St. Louis, U.S., June 1, 2019. /VCG Photo

Serena Williams of the U.S. reacts after her shock loss against her compatriot Sofia Kenin at the French Open in Paris, France, June 1, 2019. /VCG Photo

China's Liu Shiwen (R) shakes hands with her partner Gu Yuting after they won the ITTF China Open women's doubles final in Shenzhen, south China's Guangdong Province, June 1, 2019. /VCG Photo

Liu Guoliang (C), president of China Table Tennis Association, poses with Ma Long (R) and Lin Gaoyuan after Ma defeated Lin 4-0 to win ITTF China Open men's singles title in Shenzhen, south China's Guangdong Province, June 2, 2019. /VCG Photo

The team bus of the newly crowned UEFA Champions League winners, Liverpool, travels past fans during their homecoming victory parade in Liverpool, UK, June 2, 2019. /VCG Photo

Lee Jeong-eun of South Korea kisses her trophy after winning the U.S. Women's Open Golf Championship in Charleston, U.S., June 2, 2019. /VCG Photo