Eau de Toilette - Vienne

EAU DE TOILETTE - VIENNE

Some of the best ads ever seen. Its about the wastewater treatment plant of Vienna, the most modern of its kind in the world. That's what Ebs - the company running it - says on its website www.ebs.co.at
Wastewater treatment interested me a lot, and I studied this subject during 3 years after my baccalaureat in France. So you can understand why this advertisment touched me when I first saw it behind a city public bus. 

The ads can be seen in the streets of Vienna. Here are some of them (found on http://www.open.co.at/classic.php?id=28&lang=en as I haven't shot anyone myself yet):