South Korean-born baseball coach Tian Changji teaches the young players in Hainan Tibetan Autonomous Prefecture, Qinghai Province, China, October 23, 2019. /VCG Photo

A handicapped shot-putter in action during the 7th Military World Games, Wuhan, Hubei Province, China, October 23, 2019. /VCG Photo

A player throws a gun from the swimming pool to the block during the utility swimming competition of the naval pentathlon event, the 7th Military World Games, Wuhan, Hubei Province, China, October 24, 2019. /VCG Photo

Mascot Bingbing of the 7th Military World Games celebrates the birthday of a volunteer, Wuhan, Hubei Province, China, October 24, 2019. /VCG Photo

(L-R) Petra Kvitova of the Czech Republic, Naomi Osaka of Japan, Elina Svitolina of Ukraine, Ashleigh Barty of Australia, Simona Halep of Romania, Bianca Andreescu of Canada, Belinda Bencic of Switzerland and Karolina Pliskova of the Czech Republic pose for a photo with the Billie Jean King Trophy ahead of the 2019 WTA Finals at Lotus Hill Park in Shenzhen, China, October 25, 2019. /VCG Photo

Mercedes-Benz's Finnish driver Valtteri Bottas (L) leaves the racing track after crashing his car during the qualifying session of the F1 Mexico Grand Prix at the Hermanos Rodriguez circuit in Mexico City, Mexico, October 26, 2019. /VCG Photo

Switzerland's Roger Federer poses with the tournament's ball boys and girls as they eat pizza after winning the final against Australia's Alex de Minaur. /VCG Photo

Leicester City fans visit the new memorial garden at King Power Stadium as Leicester City mark the first anniversary of the helicopter crash which killed five people, including Leicester City chairman Vichai Srivaddhanaprabha, at The King Power Stadium, UK, October 27, 2019. /VCG Photo

Chen Long of China poses with his trophy after the Men's Single final match against Jonatan Christie of Indonesia on day six of the French Open at Stade Pierre de Coubertin in Paris, France, October 27, 2019. /VCG Photo

The closing ceremony of the 7th Military World Games, Wuhan, Hubei Province, China, October 27, 2019. /VCG Photo