Photo taken on Jan. 14, 2018 shows an aerial view of Alpensia Ski Jumping Centre of Pyeongchang Mountain Cluster for Pyeongchang 2018 Winter Olympic Games in Pyeongchang, South Korea. Alpensia Ski Jumping Centre will hold Nordic Combined, Ski Jumping and Snowboard events during the Games. (Xinhua/Lui Siu Wai)