added by layla_14
Stare at the four black dots in the center of the image for 30 - 60 seconds. Then quickly close your eyes and look at something bright (like a lamp অথবা a window with sunlight coming through it). আপনি should see a white বৃত্ত with an image inside it.
added by zeebem10
Source: The people that uploaded that picture on the web and the people that took the picture.