Introduction to the Nanque Gate Site Protection Exhibition Hall: Nanque Gate is the south gate among the four gates of the imperial mausoleum city. It is also called the Zhuque Gate. It consists of two groups of symmetrically connected "three-output gate" buildings. It is the earliest discovery in the era. , the highest level and largest imperial mausoleum building site. The appearance of the Nanquemen Site Protection Exhibition Hall is an imitation of a Han-style gate building, which not only completely protects the existing ruins, but also shows visitors the majestic and tall style of the three-out Que platform building that was only enjoyed by the emperors of the Han Dynasty; at the same time, in In the exhibition hall of nearly 2,000 square meters, rich picture materials systematically introduce the history of the development and evolution of ancient Chinese tower architecture.