China's Qu Chunyu (front C) and Zhou Yang (rear C) compete during the women's 3000m relay heat of short track speed skating event of 2018 PyeongChang Winter Olympic Games at Gangneung Ice Arena, South Korea, Feb. 10, 2018. China advanced to the final in a time of 4:05.315 and set a new Olympic record of the event. (Xinhua/Ju Huanzong)