2013-08-30 Disco Wall SN B7d Stock Footage : "BlueBackIMAGE". http://www.pond5.com/stock-video-footage/1/clipbin%3A481571.html http://www.motionelements.com/c-1399-disco-wall-kaleidoscope-stock-footages.html http://footage.shutterstock.com/gallery/BlueBackIMAGE-352735/