I shouldn't be surprised that something so disgusting (smoking combined with littering is downright dirty) can be made into something beautiful like the Cigarette Butt Street Rug. Pressed and arranged into a Persian-like carpet, it doesn't look as though it's made of smokers' discarded butts.
Created by Jesus Bubu Negron, the Cigarette Butt Street Rug is comprised of smokes collected by street cleaners. The Puerto Rican artist layered the unrolled butts so as to create a deceiving woven look.
The Cigarette Butt Street Rug by Jesus Bubu Negron
Meghan Young — April 5, 2010 — Eco
References: universes-in-universe.de & fastcompany