(IMAGE) University of Cologne Caption Chew Bahir coring site, extracting a liner full of recovered sediment material from the 280-m-long core: the day shift trying to pull the liner out with combined forces Credit Frank Schaebitz Usage Restrictions none 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.