Day 1: Arrive in Zhangjiakou - Chongli Cuiyun Mountain Ski Resort - check in hotel Day 2: Cuiyun Mountain all-weather and all-area free skiing, including coaches (please refer to the specific teaching content) Day 3: Cuiyun Mountain all-weather and all-area free skiing, including coaches Day 4: Cuiyun Mountain Ski Resort free activities, return to warm home after the end