I think it’s true because they can be augmented
The reason that they have done this (this is a theory created by Egyptologists) is so the dead pharaoh could symbolically climb the sides of the pyramid, make his way to the sky, and live forever. The pyramid also represented the rays of the sun.
During the Song dynasty most likely landscapes would be painted to show things with relative permanency compared to the changes in society and also to show the natural hierarchy as a metaphor for a successfully regulated state.
