Denis-Didier Rousseau (IMAGE) University of Copenhagen - Faculty of Science Caption Denis-Didier Rousseau at the excavation site at Nussloch, 2005. Walls, roughly 3-4 meters wide and two meters high or more must be prepared to read properly the stratigraphy before taking parallel samples. Credit Pierre Antoine, Laboratoire de Geographie Physique in Meudon. 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.