Pure Genius

As per Wei Ping's request: http://artpad.art.com/?iwxqzi197wmo

My explanation: See the art first then see my explanation or else it defeats the whole purpose of this art and spoils its beauty.
*It is an abstract art. It tells a story. A cow came and started eating some grass. But then, the cow got more hungry and ate everything else and then left. HAHAHAHAHAHAHAHA!!!!!!!*