TREE BUILDING

The ozone layer has been destroyed, and the external environment has been unable to allow most organisms to survive. The radiation of the sun will make people monstrous and enlarge the desire in the heart. The upper class regards monsters as symbols of nobility. In order to prevent the people at the bottom from irradiating the sun, amplifying their desire and overthrowing the superstructure, the upper society continues to brainwash the lower class - the sun is fatal.