Introduction to Mutianyu Pass: Mutianyu Pass is different from Juyong Pass, Shanhaiguan Pass, Jiayuguan Pass, etc. It is composed of three hollow watchtowers connected side by side. The two side towers are smaller and the middle tower is smaller. It is larger. There are three watchtowers above the three watchtowers. The gate is not in the middle, but on the east side of the gate. When entering and exiting the gate, there are gates on both sides of the watchtower. This unique gate building is rare in the Great Wall. .
Attraction