Li Xin of China (1st L) competes during ladies' 30km mass start classic of cross-country skiing at the 2018 PyeongChang Winter Olympic Games at Alpensia Cross-Country Skiing Centre, PyeongChang, South Korea, Feb. 25, 2018. Li Xin got the 37th place in a time of 1:38:04.9. (Xinhua/Li Gang)