What is the structural type of the new National Library of China?

The new tour guide library is divided into three floors underground and five floors above ground, of which the first to fourth floors above ground are reader service areas. The first floor: the atrium is a reference book area, and the outer ring of the atrium is a Chinese book area. The northeast corner is the academic activity area, and the southeast corner is the coffee shop, but it is not open yet. Second floor: the atrium is a reference book area, and the outer ring of the atrium is a Chinese book area. The northeast corner is the inquiry area of the registration office and the information desk; In the southeast corner are bookstores and souvenir shops, which are closed at present. The third floor: the classic library area in the south, and the art and design materials area in the west and north. The fourth floor: to the east is the digital space, including online learning area, digital research area, e-commerce area and media experience center. The south and west are Chinese periodicals areas, and the north is Chinese newspapers areas. (