Introduction to Guichu Cave: Guichu Cave is located 800 meters up the stone steps in front of Yafu Temple. Bones and pottery fragments were unearthed in the cave in 1999. They were identified as being from the Warring States Period to the early Western Han Dynasty. Scholars today believe that It is the marrow of Fan Zeng, and the name of the cave is written by the Provincial Department of Culture.