Introduction to Ningyuan Village: Ningyuan Village is also called "Wenyuzhai". It is built on a hill next to Jinjitan in Yuezhou Village, Songkou. It faces north and south, with mountains on its back and water on its back. The buildings in the village are built according to the mountains. It is built with wooden buildings in a Z-shaped shape connected to each other, making people feel as if they are walking into a maze. The entire fort covers an area of ​​more than 3,000 square meters. The wall is hundreds of meters long and six meters high. It is made of bluestone blocks nearly one meter thick, which is both high and thick. There are 120 rooms in the village, which is round on the outside and square on the inside. There are more than 20 rooms outside the left wall of the village for long-term workers, handymen and other personnel. At most, more than 200 people lived in it.