One of those crazy euro bathrooms where the shower is the whole bathroom. I've only seen those on ships before.
It's a good idea, you can shampoo and actually poo at the same time.
[And here's a third...](http://i.imgur.com/S5LnwdG.jpg)
[Found a second image](http://i.imgur.com/SzhVLKK.jpg)... maybe there are more?