Unauthorized Installations: The Fine Art of Urban Subversion

http://weburbanist.com/2013/06/18/unauthorized-installations-the-fine-art-of-urban-subversion/

Found this on the internet today.  This is the guerrilla street art of Brad Downey:

Here's another article on Brad Downey:

http://installationmag.com/brad-downey-in-the-street/