Could you maybe be more specific so I can help?
This type of decoration is often called a mosaic. The definition of a mosaic is a picture or pattern produced by arranging together small colored pieces of hard material, such as stone, tile, or glass. Judging from your question, the correct answer would be A MOSAIC.
He was actually influenced by both Leonardo da Vinci and Michelangelo
Answer:
An understanding of historical context changes a viewer's experience of an artwork because it can give them more information and knowledge and can change their views on how they interpret and look at art differently.
Hope it helps! :)