From the East Treasure Hall - tired Qinzhai - Jane Well, to the Royal Garden - Ci Ning Palace - Shou Kang Palace, and finally back to the central axis. According to this route, the first reason is that the winter sun is southerly, and the buildings of the Forbidden City are all facing south. The inclination of the sun is relatively large, which makes it easier to express the light and shadow of the Forbidden City; The second is to avoid the interference of the crowd, the setting of this route can guarantee the quality of the shooting.