Prof. Dr. Lisa Schipper (IMAGE) University of Bonn Caption from the Institute of Geography at the University of Bonn. Credit Photo: Friederike Pauk/GIUB Usage Restrictions This image may be used together with the press release. License Original 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.