m c escher HD wallpapers, vertical orientation
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building illustration, artwork, optical illusion, M. C. Escher, monochrome -
gray concrete house, artwork, optical illusion, M. C. Escher, monochrome -
grayscale photo of building, loop, M. C. Escher, optical illusion, lithograph -
fish and bird wall decor, artwork, optical illusion, drawing, M. C. Escher -
orange and brown bird painting, drawing, artwork, M. C. Escher, optical illusion