doubts

Dust on the window pane blocks your view. But what if this became a canvas for art?

Scott Wade, an artist from San Marcos, Texas, uses dust covered car windows as a canvas for a very innovative form of art - dust art. 
It takes him hours to perfect a drawing, and maybe just a light shower to wipe it off. But the unique art piece an be enjoyed in the meanwhile is just amazing!

source: http://adreamcar.blogspot.in/2012/03/dust-on-car-window-so-extraordinary-art.html