How did Jianling Village and Yongling run down?

Different land routes up and down can only be transmitted. There is a teleportation point in the red circle you draw, and there is also a green teleportation point in the monitoring watchtower pointed by the arrow, which may be blocked by the blue mark of the task. You can't see it. Click the monitoring watchtower with the mouse to transmit.

There are moats and high walls in the red box, and the gate is suspended, so it is impossible to cross on foot.