is 18.84 KB, has a resolution of 1437x738 pixels and was uploaded on October 17, 2018 @ 1:42 am by user: luisezann. It is filed under the tags: inception, m c escher, penrose triangle, penrose stairs, paradox. Click the blue button at the top to freely download: Staircase Ascending And Descending Penrose Triangle Stairs Optical Illusion png.