Answer the following question in 3-4 complete sentences. The above piece is a lithograph by M.C. Escher. How has Escher used the concept of space effectively?

Answer:

Escher uses the mirrored sphere to create a distorted but believable view of the surrounding space. The curved reflection expands the library and bends the walls, furniture, and windows around the seated figure. The large hand in the foreground overlaps the sphere and establishes depth, while the reflection makes the viewer aware that the artist is also part of the scene. This combination of foreground, reflection, and unusual perspective creates an illusion of three-dimensional space.