Marit Bjoergen (R1) of Norway celebrates with teammates after crossing the finishing line of ladies 4x5km relay of cross-country skiing at the 2018 PyeongChang Winter Olympic Games at Alpensia Cross-Country Centre, PyeongChang, South Korea, Feb. 17, 2018. Norway claimed the champion in a time of 51:24.3. (Xinhua/Ju Huanzong)