Another "optical illusion"

Try this one out guys and gals


http/" alt=""/img172.imageshack.us/img="172/1937/12zt3.gif[" alt=""/imgdcb9623af0][=http//imageshack.us][img="dcb9623af0]http/" alt=""/img172.imageshack.us/img="172/1937/12zt3.gif[" alt=""/imgdcb9623af0][/url]

It's an old image. Not sure it's deserving of it's own thread. It did better in the other as a better representation of an optical illusion.