How are mosaics like the one shown above created ? look at the mosaics closely

Mosaics are created by taking multiple pieces of tile (or desired material) to create an image. they are strategically placed to where from far away they may look like one whole piece but as you get closer you see that there are a lot of small pieces

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.