Christians built catacombs they didn't believe in cremation and weren't allowed to practice their religion openly. the heat from being above ground made the bodies smell and it is cooler underground. christians were ashamed of their religion so they hid underground. because the bible told them to bury their dead in the earth to them 'return to dust'.

The heat from being above ground made the bodies smell and it is cooler underground.

answer: the feeling it gives you when you look at it.

explanation:

in every single medium of art, you are supposed to feel something that makes it art. like how a song can make you cry, or how a photograph can make you nostalgic. art is very important for expressing yourself as well, when you are happy, sad, depressed, or angry.