Introduction to Erdaomen: "Yinwu Mountain Zheyue Chain Cave", Erdaomen is one of the filming locations for the 20th episode of the TV series "Journey to the West" "Tears on Hidden Wu Mountain". Friends who have watched "Journey to the West" should have seen this scene. This is the scene where Zhu Bajie, in order to rescue his master, opens the cave door with a rake and fights a group of monsters.