Introduction to Immortal Guide: In ancient times, there were more vegetation here than now, and there was no road. King Tang’s men and horses praying for rain passed here and could not find the road. When everyone was at a loss, God sent a The immortal showed the way to King Tang and said: "You order people to cut down trees and pave the way, so that you can reach the mulberry forest." From then on, the scenic spot of Immortal Guidance was left for Mang River.