Introduction to the Ancient Great Wall: The majestic Ancient Great Wall runs along the east side of the Yanqi River, with the steep buckwheat ridges at an altitude of 590 meters winding and undulating, like a giant dragon leaping over the Yanqi River, continuing to climb the cliffs to the west Take off. This section of the Great Wall was built during the Wanli period of the Ming Dynasty. It is connected to Gubeikou and Simatai in the east and Qilianguan, Mutianyu and Badaling in the west. There are more than 30 beacon towers in the territory, with a total length of 8127 meters. The tallest one The beacon tower is called "Wangjing Tower". Standing on the top of the tower at night, you can enjoy the night view of Beijing.