To do something for the environment every idea is good, or so thinks the German artist Elisabeth Buecher, which (perhaps) to raise awareness on water issues - diminishing resources, uneven distribution ... - invented a shower that after four minutes throws out - literally - the occupier.

It's called My shower is a green warrior (my shower is a green warrior) is a thorny curtain that inflates the tips, so that invade the space of the box.
And he presented the latest edition of the Salone del Mobile.
The artist victim of his own invention.
A great way to prevent the waste of water, we would say.
Also fun - as you may be deduced from the photo sequence above - and certainly less cynical system called Poor Little Fish, Japanese artist Yan Lu that, which puts wasteful in front of an ethical choice by immediate results: either you brush quickly , or (poor little) fish dies ...
The video below says it all, and certainly will remember whenever you find yourself lingering under running water.

From Focus