How many black spots can you count while looking at this image? 1? 16? 100? Don’t know, I never manage to concentrate fully. Another effect you’ll notice that the “spiral” is somehow approaching you. So this makes it double optical illusion! :)
How many black spots can you count while looking at this image? 1? 16? 100? Don’t know, I never manage to concentrate fully. Another effect you’ll notice that the “spiral” is somehow approaching you. So this makes it double optical illusion! :)