I believe because it was for the Christian persecution that took place around A.D. 64, since a lot of Christians did not want to give up their faith, but did not want to be killed, they hid every Christian symbol (I guess this could be the right answer, hope I could help!)
Answer: landscapes where used in china for illustrating or mapping out land or stories. They use landscape papper to write on which was called a "scroll" it also recorded important documents. Scrolls/landscape papper were rolled and sent to others. Landscape papper was either created by leather from animal skin or plants.
Explanation: I was taught this information:)
Answer: Maybe if you mixed these 2?
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