The Jin frontier remains at Nianzishan
At Nianzishan, a 9.77-kilometre section of the Jin border works includes 54 rampart platforms, three beacon towers and two forts across a frontier landscape.
Jin-era Wall at Nianzishan
At Nianzishan, a 9.77-kilometre section of the Jin frontier crosses broken ridges and low ground. Ramparts formed the defensive line, while beacon towers and forts supported signaling and guarded key positions; their remains follow the shape of the local terrain.