China's Sun Qinghai (R) competes during men's 1.4km individual sprint classical cross country skiing at the 2017 Sapporo Asian Winter Games in Sapporo, Japan, Feb. 20, 2017. Sun Qinghai won the silver medal of the event. (Xinhua/Liao Yujie)
China's Sun Qinghai (R) competes during men's 1.4km individual sprint classical cross country skiing at the 2017 Sapporo Asian Winter Games in Sapporo, Japan, Feb. 20, 2017. Sun Qinghai won the silver medal of the event. (Xinhua/Liao Yujie)