nice as long as robbers don't use them to break your windows :). Would be good cemented into a path.
VBS Decorating: Stalactites & Stalagmites
Paper cones on ceiling and floor to mimick cave - installed during fashion week in Milan. How cool! Designed by Wendy Plomp and Edhv (design office in Netherlands).
Using a black light and writing in a way so the words glow. Going down stairs into the CLC?