Introduction to the lobby on the first floor of the main building: The main building is made of stone masonry, the foyer is carved from granite, and the double-story main building is a pilaster-type structure with a majestic and solemn shape. The first floor of the main building is the reception hall, which provides information, storage, explanation and other services. There are also rich cultural relics displayed in the hall on the first floor for tourists to visit.