RT @wkerslake: There are twelve black dots at the intersections in this image. Your brain won’t let you see them all at once. https://t.co/… 0 atbildes
Martins Ozolins (2016-09-12 09:56:22) |
RT @wkerslake: There are twelve black dots at the intersections in this image. Your brain won’t let you see them all at once. https://t.co/… |