Pak Un Gwang of the Democratic People's Republic of Korea (DPRK) competes during the men's freestyle 57kg of wrestling at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019.(Xinhua/Li He)

Pak Un Gwang of the Democratic People's Republic of Korea (DPRK) attends the awarding ceremony of men's freestyle 57kg of wrestling at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019.(Xinhua/Li He)

Pak Un Gwang of the Democratic People's Republic of Korea (DPRK) celebrates after the men's freestyle 57kg of wrestling at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019.(Xinhua/Li He)

Pak Un Gwang (top) of the Democratic People's Republic of Korea (DPRK) competes during the men's freestyle 57kg of wrestling at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019.(Xinhua/Li He)

Gold medalist Inna Deriglazova (2nd L) of Russia, silver medalist Pauline Ranvier (1st L) of France and bronze medalists Anita Blaze (2nd R) of France and Julia Walczyk of Poland attend the awarding ceremony of the women's individual foil final of fencing at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Wang Jianwei)

Inna Deriglazova (R) of Russia competes with Pauline Ranvier of France during the women's individual foil final of fencing at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Wang Jianwei)

Inna Deriglazova of Russia attends the awarding ceremony of the women's individual foil final of fencing at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Wang Jianwei)

Inna Deriglazova (R) of Russia competes with Pauline Ranvier of France during the women's individual foil final of fencing at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Wang Jianwei)

Yang Junxuan of China competes during the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Yang Junxuan of China attends the awarding ceremony of the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Yang Junxuan of China competes during the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Gold medalist Yang Junxuan (C) of China, silver medalist Zhu Menghui (L) of China and bronze medalist Charlotte Bonnet of France attend the awarding ceremony of the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Yang Junxuan (R) of China and her teammate Zhu Menghui celebrate after the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Yang Junxuan (R) of China and her teammate Zhu Menghui celebrate after the women's 100m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Ji Xinjie of China competes during the men's 200m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Ji Xinjie of China competes during the men's 200m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Gold medalist Ji Xinjie (C) of China, silver medalist Fernando Scheffer (L) of Brazil and bronze medalist Kacper Majchrzak of Poland attend the awarding ceremony of the men's 200m freestyle final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Chen Jie of China competes during the women's 100m backstroke final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Chen Jie (rear) of China competes during the women's 100m backstroke final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Chen Jie of China attends the awarding ceremony of the women's 100m backstroke final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Chen Jie of China competes during the women's 100m backstroke final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)

Chen Jie (R) and Liu Yaxin of China attend the awarding ceremony of the women's 100m backstroke final of swimming at the 7th CISM Military World Games in Wuhan, capital of central China's Hubei Province, Oct. 21, 2019. (Xinhua/Cheng Min)