The answer is it then remain preserved over the centuries. Since a layer of the volcanic ash preserve the art and architecture to the residents, the city of Pompeii then provide a snapshot of the Roman art.Hope this would be of help.
The Colors Orange, Violet, and green are equally Spaced from each other on the Color Wheel, they are called (secondary) colors.
Answer:
I think you should paint the background blue or any other dark color. A ombre would be really nice.
A. there was an awful mold which grew on the paintings and the walls, but seems to be in remission now
