Sweden's Kalla wins first gold, Bjoergen of Norway makes history at PyeongChang Olympics

Champion Sweden's Charlotte Kalla (L), second placed Norway's Marit Bjoergen (C) and third placed Finland's Krista Parmakoski react after the Ladies' 7.5km + 7.5km Skiathlon of Cross-Country Skiing at the 2018 PyeongChang Winter Olympic Games at the Alpensia Cross-Country Skiing Centre in PyeongChang, South Korea, on Feb. 10, 2018. (Xinhua/Bai Xuefei)