An Optical Illusion Painting By Sandro Del Prete That Shows

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

Comments

Would you like to say something?

Sign up to comment (it's free!) or log in if you're already a member.