I copied this image from this link http://photograph.com/index.php?photoid=5125&action=viewphoto (Photograph.com, 2005)
This image is very impressive. When we firstly look at the image, we all know that it is human face; howver, when we take a look the pic carefully, we can realize that the pic is created by the nature.
the meaning of this pic could represent the origin of human life evolution. We all know that human life is started from monkey then spend a long period to get the perfect life as today...