Photo taken on Sept. 11, 2019 shows the interior appearance of Jilin Beishan Four Season Skiing Park in Jilin City, northeast China's Jilin Province. Jilin Beishan Four Season Skiing Park is the first all-weather standardized professional skiing training center in Asia. Allowing athletes to train throughout the year, it will promote the development of ice and snow sports in China. (Xinhua/Lin Hong)