The Dayingpan Great Wall is located in Ruiyunguan Township, Huailai County, Zhangjiakou City, Hebei Province. Built in the fifteenth year of the Zhengde era of the Ming Dynasty (1520), it has over 500 years of history. Its construction was closely tied to the improvement of northern border defense systems during the Ming Dynasty, serving as a frontline defense against invasions by Mongolian tribes.

The Dayingpan Great Wall is located in Ruiyunguan Township, Huailai County, Zhangjiakou City, Hebei Province. Built in the fifteenth year of the Zhengde era of the Ming Dynasty (1520), it has over 500 years of history. Its construction was closely tied to the improvement of northern border defense systems during the Ming Dynasty, serving as a frontline defense against invasions by Mongolian tribes.