Introduction to the Hall of Supreme Harmony: Commonly known as the Jinluan Hall, it is built on an 8-meter-high platform made of white marble. From a distance, it looks like the mythical Qiong Palace. It is the place where the emperor holds grand ceremonies. The hall is 28 meters high, 63 meters from east to west, and 35 meters from north to south. There are 92 large columns with a diameter of 1 meter, of which 6 are gold-painted Panlong columns surrounding the throne. The throne is located on a 2-meter-high platform in the palace. There are beautiful cranes, furnaces, and tripods in front of it, and there is a finely carved screen behind it. The entire hall is decorated with splendor, solemnity and splendor. Celebrations such as the enthronement and birthdays of emperors in the Ming and Qing Dynasties, as well as Spring Festival, Winter Solstice and other celebrations were all held here.