Final answer:
Mosaics are crafted by creating images using small pieces of colored tile, stone, or glass. They are used to surface walls, floors, and ceilings.
Step-by-step explanation:
Mosaics are crafted by creating images using small pieces of colored tile, stone, or glass. The mosaics are used on walls, ceilings, and even floors as they are durable, lasting for centuries. Artists create mosaics by gluing small pieces of glass or stone to a wall and when it dries in place, spreading grout over the top, sealing the mosaics in place.