Team China compete in the free combination routine final in which they won the silver medal during the FINA Artistic Swimming World Series in Tokyo, Japan, April 29, 2019. /VCG Photo

Participants compete at the 15th Beidaihe International Roller Skater Competition in Qinhuangdao, northern China, May 2, 2019. /VCG Photo

A Chinese player (L) is challenged by her British opponent during the Women's Field Hockey Pro League match won 2-1 by China in London, UK, May 3, 2019. /VCG Photo

South Africa's Caster Semenya celebrates winning the 800m in the Diamond League, her first race since losing an appeal over the IAAF's new rule on women's testosterone levels, in Doha, Qatar, May 3, 2019. /VCG Photo

Basketball players of Guangdong celebrate their ninth championship victory after their 103-98 win over Xinjiang in the CBA final in northwest China's Urumqi, May 3, 2019. /VCG Photo

China's 14-year-old golfer Kuang Yang plays a shot at the China Open, during which he became the youngest player to make the cut at the event, in south China's Shenzhen, May 3, 2019. /VCG Photo

The six competing teams – China, France, UK, Japan, U.S., Australia (L-R) – sail their F50 catamarans near the Golden Gate Bridge at the Sail Grand Prix race in San Francisco, U.S., May 4, 2019. /VCG Photo

China's Bai Wanbing pitches during the Softball Women's Asian Cup in Jakarta, Indonesia, May 4, 2019. /VCG Photo

Gary Cahill of Chelsea is thrown up in the air by his teammates after a farewell appearance in the club's 3-0 victory over Watford in the Premier League match in London, UK, May 5, 2019. /VCG Photo

A pair of dancers competes at the WDSF World DanceSport Open Standard competition in north China's Shijiazhuang, May 5, 2019. /VCG Photo