Wanquan Acropolis in Zhangjiakou is an ancient military fortress.
You can admire the grandeur of the Wanquan Ming Great Wall, the Wanquan Right Acropolis, which is a military command structure of the Ming Dynasty, the Ximalin City Wall, the Old Yangtun Theater, and the Ximalin Yuhuang Pavilion, which are ancient buildings.
Laolongwan Han Tombs, which are cultural and historical sites, 802 viewing platform, military exercise viewing platform, and Hongci Cave Scenic Area, there are many good places to visit