Art on Chewing Gum

Most of us just chew it, but artist Ben Wilson has other ideas about what to do with old gum.
The London artist is working his way around the city painting on used pieces of gum stuck to the pavement. Treating each lump as a mini canvas the painter carefully turns each old chew into a piece of street art. With an estimated 300,000 pieces of gum stuck to London’s popular Oxford Street, Ben Wilson is unlikely to run out of places to paint.
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haha, how about an alley of bubble gum?
http://en.wikipedia.org/wiki/Bubblegum_Alley
WOAH! I can imagine the whole area smelling of saliva!!