Cities within cities: the #graffiti artists who are shaking up maps
Street artists are showing how they’d map cities differently in a new show that lets visitors step into their clandestine worlds. Conventional cartography this is not ...
http://i.guim.co.uk/static/w-620/h--/q-95/sys-images/Guardian/Pix/pictures/2015/1/21/1421845702231/Mapping-the-City.-Ron-Eng-012.jpg 
http://i.guim.co.uk/static/w-620/h--/q-95/sys-images/Guardian/Pix/pictures/2015/1/21/1421847739231/05b4fd40-d7e9-44a2-8f61-91b968cde69d-763x1020.jpeg ▻http://www.theguardian.com/artanddesign/2015/jan/21/mapping-the-city-somerset-house-street-art-graffiti-cartography?CMP=twt