Champion Dario Cologna (C) of Switzerland, second-placed Simen Hegstad Krueger (L) of Norway and third-placed Olympic athlete from Russia Denis Spitsov pose for photos during medal ceremony of men's 15km free event of cross country skiing at 2018 PyeongChang Winter Olympic Games at Medal Plaza, PyeongChang, South Korea, Feb. 16, 2018. (Xinhua/Bai Xuefei)