Yoo Eunchong (R) of South Korea and Choe Il of the Democratic People's Republic of Korea (DPRK) celebrate scoring during the Mixed Doubles match of 2018 ITTF World Tour Korea Open aganist Robles Alvaro and Dvorak Galia of Spain in Daejeon, South Korea, July 17, 2018. (Xinhua/Wang Jingqiang)