Drilling on a Lake (IMAGE) GFZ Helmholtz-Zentrum für Geoforschung Caption This is a sediment sampling on Lake Suigetsu, Japan. Credit A. Brauer, GFZ Usage Restrictions None 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.