Introduction to the seven Baozhu Cave: Baozhu Cave is located on the top of Pingpo Mountain and was built in the 46th year of Qianlong reign of the Qing Dynasty (1780). There is a wooden archway in front of the temple and a natural boulder beside the road. Baozhu Cave is small in scale, with the temple gate facing northeast and the palace facing southeast. There is an open pavilion named "Tianwangxuan", and the two palaces are "Avalokitesvara Hall" and "Amitabha Hall". There is a stone cave behind the Guanyin Hall, which is about four meters wide. The gravel in the cave is like a pearl, mixed in black and white, and glittering and translucent. Therefore, the cave is named after "Baozhu". The seventh spot is an excellent place to overlook the beautiful scenery of Beijing and watch the sunrise, so it is known as "Little Mount Tai in the West of Beijing".