Nikita Tregubov claims silver of men's skeleton at PyeongChang Olympics

South Korea's Yun Sungbin competes during the men's skeleton at 2018 PyeongChang Winter Olympic Games at Olympic Sliding Centre, PyeongChang, South Korea, Feb. 16, 2018. Yun Sungbin won the gold medal in the time of 3:20.55 in total. (Xinhua/Bai Xuefei)