Look at the picture below, the black-and-white photos fortress, right? See there is a black dot in the center of the image. Concentrate your eyes to the point, do not get distracted on other things. Not even on the countdown, keep the concentration at the point.
Once the countdown is complete, you can see the fort so colorful. Strangely, this only applies when the concentration of the black dot eyes. If not, the fort still looks black and white. Exciting, is not it?
Once the countdown is complete, you can see the fort so colorful. Strangely, this only applies when the concentration of the black dot eyes. If not, the fort still looks black and white. Exciting, is not it?
source : http://www.apakabardunia.com/2012/10/permainan-ilusi-gambar-hitam-putih-bisa.html
