A "Psychological" Optical Illusion

A "Psychological" Optical Illusion: "The influence of culture and environment can have an effect on our visual perception. This theory was first explored by Robert Laws, a Scottish missionary working in Malawi, Africa, during the late 1800's. Take a look at the picture below. What you see will largely depend on where you live in the world. After you have examined the picture, scroll down for a more detailed explanation."