What is mc ecsher subject matter?

M.C. Escher's subject matter primarily revolves around intricate, mathematically inspired designs that explore concepts of infinity, perspective, and symmetry. His works often feature impossible constructions, tessellations, and transformations that challenge viewers' perceptions of space and reality. Escher's fascination with the relationship between art and mathematics is evident in his use of repetitive patterns and optical illusions, making his art both visually captivating and intellectually engaging.