When Escher's view of the world turned inward he produced his best known puzzling prints. which, art aside, were truly intellectually playful, yet he was not.
Kapag Escher's makita ng mundo nabuksan papasok siya ginawa ng kanyang pinakamahusay na kilala puzzling mga kopya. na kung saan, art tabi, ay tunay intellectually mapaglaro, siya ay hindi pa.