What are the characteristics of M.C. Escher's style?

M.C. Escher's style is characterized by intricate geometrical designs, optical illusions, and impossible constructions that challenge perception. He often employed tessellation, creating repeating patterns that seamlessly fit together, and utilized symmetry to enhance visual complexity. His work frequently features themes of infinity, space, and the interplay between two and three dimensions, inviting viewers to explore the boundaries of reality and imagination. The meticulous detail and precision in his engravings add a unique depth, making his art both mathematically intriguing and visually captivating.