China's Wang Rui (Back) and Ba Dexin compete during the curling mixed doubles round robin session 7 against Kristin Skaslien and Magnus Nedregotten from Norway at the 2018 PyeongChang Winter Olympic Games at the Gangneung Curling Centre in Gangneung, South Korea, on Feb. 11, 2018. China won 9-3. (Xinhua/Ma Ping)