What are the characteristics of the general Forbidden City building?

Palace buildings in the Forbidden City are the largest and most complete ancient buildings in China, with a total area of over 720,000 square meters. It is said that there are 9,999 semi-palaces, which are called "the sea of palaces" and are magnificent. Whether it is plane layout, three-dimensional effect or grand form, it is an unparalleled masterpiece. A central axis runs through the whole Forbidden City, which is on the central axis of Beijing. The three main halls, the last three palaces and the imperial garden are all located on this central axis. On both sides of the central axis palace, there are also many temples symmetrically distributed, all of which are magnificent. These palaces can be divided into two parts: the outer court and the inner court. The outer court is centered on the three halls of Taihe, Zhonghe and Baohe, and the Wenhua Hall and Wuying Hall are two wings. The Forbidden City is centered on Gan Qing Palace, Jiaotai Palace and Kunning Palace, with six palaces in the east and west as its wings, and its layout is rigorous and orderly. There are exquisite turrets in all four corners of the Forbidden City, which are beautifully built and very beautiful. Miyagi is surrounded by palace walls, which are 10 meters high and 3400 meters long. There is a moat 52 meters wide outside the wall.