an optical illusion painting by sandro del prete that shows people walking up and down an impossible spiral staircase

an optical illusion painting by sandro del prete that shows people walking up and down an impossible spiral staircase picture

Quoted from: http://mayhemandmuse.com/surrealist-optical-illusions-b....prete/

Catherine_south's avatar Found By Catherine on 21-08-2012

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