As ov Nov 2017, many of these documents cannnot be upgraded. Many of my files are now on Scribd or http://www.startup-book.com/street-art/
These documents deal with Street Art, My interest for Street Art began with Banksy in New York in October 2013. I then discovered that Space Invader had invaded Lausanne, Geneva, Bern and Basel in Switzerland. During that period I became aware of beautiful mirror mosaics randomly placed in Pully, near Lausanne.
My quest is mainly online. Not surprisingly Flickr and Instagram are amazing sources of data and I try to give references for the pictures I found, but it is a difficult to remain precise and rigorous. My apologies for the inaccur