http://www.stanfords.co.uk/Stanfords-Bristol-Store.htm
Locate Banksy and others' artistic achievements -- and using OpenStreetMap data too -- checkout the attribution (bottom right of PDF).
OpenStreetMap
Comment from !i! on 1 November 2012 at 08:12
Maybe they can share the streetart to http://www.bigartmob.com as well :)
Comment from LivingWithDragons on 1 November 2012 at 12:55
There are a lot of disjoined red lines. Steps?