Introduction to Luyuan Cave: Luyuan Cave is named after the southeastern spring at the foot of the mountain overflows from the cave. On the forehead of the cave are "Wonderful Wonders" inscribed by Zhang Jimeng, the prefect of Guangxi in the Ming Dynasty, and "Natural Stone Chamber" inscribed by Miu Ying, the governor of the Qing Dynasty. The cave is more than 700 meters long and consists of more than 10 halls of different sizes and shapes.