"Transparent" public toilets

Are public toilets' transparent '? It seems strange how such a private place can be exposed to the public. Watch the video and check out the transparent public toilets on the streets of Lausanne, Switzerland, and you'll find out!

A recent creation by design firm Oloom, the public toilet is surrounded by liquid crystal glass that turns into a mist when users enter and press a power button, then becomes transparent again when they press another button.