: While the Xiongnu were the primary threat during the early construction, later dynasties faced various northern groups, including the Mongols and Jurchens. Visiting Çin Seddi Today
: The first walls were built during the "Spring and Autumn" and "Warring States" periods by different kingdoms to defend their borders. Г‡in Seddi (The
: For a more rugged experience, sections like Jinshanling offer hiking opportunities with original, unrestored views. : While the Xiongnu were the primary threat