Introduction to the iron tree: In the Duanjia courtyard on Diantou Street, there is an iron tree that is more than 600 years old and is worshiped as the "Tree God" by people. This iron tree has lush green branches and lush leaves. It is said that the Duan family planted it to prevent fire. There was an incense burner in front of the iron tree, and surrounding residents often came to worship and pray in front of the tree.