Flickr user Seb Przd has been re-mathematizing his photographs of French cathedrals, using a program called MathMap. The results are delirious whorls of rock and decoration, space folded onto itself and circled round again to match up with itself at the beginning. All very M.C. Escher-esque – but nonetheless exhilarating.

mc escher like images from real photographs, with mathmap

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