Introduction to the Sutra Cave: The Sutra Cave was built in memory of Xi Tan, a poet monk in the Southern Song Dynasty. Xi Tan, whose courtesy name was Shu'an, was a famous poet monk in the Southern Song Dynasty. He was the author of "Jiuhua Poetry Collection" handed down to the world. He lived in Jingxin Temple for a long time and loved to travel in the mountains. He once studied scriptures and understood Buddhism in this cave.