login
National Ski Jumping Center Artificial snowmaking Wei Qinghua Zhangjiakou Beijing Winter Olympics
12-30
Biathlon Track Wei Qinghua Cross-country skiing Winter Paralympic Games
12-29
![How to ensure the quality of snow, how to deal with high temperature snow? Experts who have been making snow for 20 years reveal snowmaking for the Winter Olympics[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
