Use Less Water (IMAGE) Fraunhofer-Gesellschaft Caption At the decentralized urban infrastructure system DEUS 21, the developers contemplate water as a raw material, from the tap to the clarification plant. Credit Fraunhofer Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.