'Collectif des Déboulonneurs' is a guerrilla anti-advertising group in France that protests the in-your-face pervasiveness of outdoor public billboards and posters.
'Les Déboulonneurs' roughly translates to 'dismantlers,' according to the BBC, and their modus operandi is to graffiti anti-advertising slogans atop public billboards. What's more, they often tip law enforcement officers off to their location so that they're arrested--a move that's perhaps more appropriate for the paparazzi than the police.
Be sure to check out the video above (it's all in French, but the video will give you the gist), and for more images, click through the Flickr set below.
Guerrilla Anti-Ad Groups
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Fighting Public Space Pollution
Versatile Inexpensive Action Cameras
Illustrative Co-Working Spaces
Female-Centric Soccer Zines