Introduction to Zhuangyuan Cave: This natural rock cave is located on the mountainside of Baita Mountain in Langzhong. It is 34M long, about 20M deep, and 4M high at the top of the cave. It is called the No. 1 Scholar because the fourth No. 1 scholar in Langzhong studied hard here and became the No. 1 scholar in high school. Hole.