Water Reservoir (image) University of Gothenburg Caption This is an example of the round depressions found in the landscape, which could be the remains of water reservoirs. Credit Photographer: Per Stenborg/GU. Usage Restrictions None 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.