Introduction to Jiuli Palace: The Jielong Hall of the Miao people in Jiuli Palace is the tallest hall in China. The door is 9.9 meters high, which is equivalent to the height of 3 stories. A 3-meter-wide and 9-meter-long plaque is on the top of the door. The entire building Very spectacular and magnificent. When building houses, most Miao people like to build this kind of "Jielong Hall" architectural style, which has nine bays in total and is one-story and concave in shape.