: Most of the well-preserved stone and brick sections seen today were built during this era to defend against Mongol incursions. Strategic Importance

: For a more rugged experience, sections like Jinshanling offer hiking opportunities with original, unrestored views.

The wall served as more than just a barrier; it was a complex military system.

: Most visitors head to areas near Beijing, such as Badaling or Mutianyu , which are restored and easily accessible.