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Skull. ... MC Escher Self portrait twist ... mortality
"What I give form to in daylight is only one per cent of what I have seen in darkness."
Google Image Result for M C Esher http://media.log-in.ru/i/esher_loxodromeII.jpg***
Three Worlds by M.C. Escher - (Jun 17, 1898 -Mar 27, 1972): Dutch graphic artist, known for his mathematically inspired woodcuts, lithographs, & mezzotints. Wikipedia http://freakytrigger.co.uk/wordpress/wp-content/uploads/2007/11/three_worlds.jpg
M.C. Escher - Man with Cuboid (1958. Wood engraving. 64x64 cm) / The prototype of the one of characters of litograph "Belvedere" / #woodblock #engraving #print
Escher M Optical Illusion Art | Escher Art Pictures - High Resolution Strange Pics
Dragon - M.C. Escher is awesome.
M.C. Escher, The Encounter, May 1944, lithograph, Metropolitan Museum of Art. #Art