Beach Footprint Optical Illusion
Beach Footprint Optical Illusion is simple yet still a neat effect. When you look into the footprint in the sand does it appear convex or concave? If you stare at it for a minute or two it almost appears to switch back and forth? Any ideas which one is the real one. Take a close look and let me know what your think.
It did switch! Thats just freaky!
stare at it.. and you’ll realize