The power plant chain along Austria’s longest river, the Enns together with its artificial lakes, is impressive proof of the successful symbiosis of nature, man and technology. Part of the exhibition focuses on the themes ”planet earth” and ”lebensraum water”. The known energy reserves as well as renewable energy resources are vividly documented. In addition, the varying water quality classes and their ecological effect on the aquatic flora an fauna are illustrated as well. (7,5 km from Steyr)