What are the characteristics of the Forbidden City in Beijing?

The features of the Forbidden City in Beijing are as follows: 1. Located in the center of Beijing's central axis, the Forbidden City is a national 5A-level tourist attraction, with an area of about 720,000 square meters and a building area of about150,000 square meters. It has been selected as a world cultural heritage and a national key cultural relic protection unit. 2. The Forbidden City is the essence of the ancient Han Palace in China and enjoys a high reputation all over the world. Third, the Forbidden City pays attention to symmetrical beauty, and the center of Beijing is directly below the dragon chair in the golden hall. For example, the layout and function reflect the hierarchy. According to the Textual Research of Zhou Li, the Forbidden City was built according to this idea, and there are more than ten kinds of roofs with different shapes.