Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019. (Photos: Xinhua)

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes walk inside the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes pose for a photo at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

An athlete trains at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

An athlete trains at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Athletes train at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Photo taken on Oct. 16, 2019 shows a view of the medical center at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.

Photo taken on Oct. 16, 2019 shows a view of the welcome center at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.

Photo taken on Oct. 16, 2019 shows a view of the conference center at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.

Photo taken on Oct. 16, 2019 shows a view of the apartment buildings at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.

Photo taken on Oct. 16, 2019 shows a view of the welcome center at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.

An athlete trains at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 16, 2019.

Photo taken on Oct. 16, 2019 shows a view of the conference center at the athletes' village of the 7th International Military Sports Council (CISM) Military World Games in Wuhan, capital of central China's Hubei Province.