Introduction to the Guanyin Hall: The Guanyin Hall of the Jiulong Palace is located in the Nantianmen. The main hall has five rooms and is an all-stone structure. The door is inscribed "Jiulong Palace Guanyin Hall" and is dedicated to Guanyin. The beams and pillars of this hall are all carved from huge stones, which are as thick as a ruler. The roof of the hall is also covered with large stone slabs. Guanyin Hall was built by Zhu Yangzhu, King of Luzhuang in the Ming Dynasty.