Choe Hyo Sim of the Democratic People's Republic of Korea (DPRK) competes during the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019. (Photos: Xinhua)

Choe Hyo Sim of the Democratic People's Republic of Korea (DPRK) competes during the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019.

Choe Hyo Sim (R) of the Democratic People's Republic of Korea (DPRK) reacts during the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019.

Choe Hyo Sim of the Democratic People's Republic of Korea (DPRK) competes during the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019.

Choe Hyo Sim of the Democratic People's Republic of Korea (DPRK) competes during the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019.

Choe Hyo Sim (C) of the Democratic People's Republic of Korea (DPRK) cries on the podium during the awarding ceremony of the women's 59kg match at the 2019 IWF World Cup in north China's Tianjin, on Dec. 11, 2019.