Yashan Tunnel Introduction: At the foot of the saddle of Demon Mountain is the Yashan Tunnel of the Outer Ring Road. The tunnel is 912 meters long and is paved with asphalt road.
Yashan Tunnel Introduction: At the foot of the saddle of Demon Mountain is the Yashan Tunnel of the Outer Ring Road. The tunnel is 912 meters long and is paved with asphalt road.