just been sent this link though i'd share
http://funnyjunk.com/funny_pictures/1760/Pavement+Art/

work by julian beever found a lot more on google images very talented

If all the pavement artists in the world had to die.....apart from one.....he'd be the one you save His ability to get the perspective so right in such complex pictures is beyond comprehension....... Men in Black alien type bloke anyone?

Now that is what I call art

His work is supreme.

http://users.skynet.be/J.Beever/pave.htm

Check out more of his work

Ronnie

a guy in glagow dose the same thing
in the summer.