What kind of art did Escher use?

M.C. Escher is renowned for his intricate and mathematically inspired artworks that often feature impossible constructions, tessellations, and explorations of infinity. He utilized techniques such as lithography, woodcut, and mezzotint to create his works, which frequently play with perspective and visual paradoxes. His art often blurs the line between reality and illusion, inviting viewers to contemplate the nature of space and perception.