Double-sided Battlements: Mutianyu Great Wall has double-sided battlements

Double-sided Battlements: Mutianyu Great Wall has double-sided battlements. In other sections of the Great Wall, there is usually a battlement wall built on the outer side of the wall. However, in the Mutianyu section, both sides of the wall have battlement walls. These battlement walls served as shelters for the defending soldiers during combat against the enemy. The presence of battlement walls on both sides indicates that both sides were engaged in combat against the enemy, highlighting the important strategic position of the Mutianyu Great Wall in history.