Nils Knötschke (IMAGE) University of Bonn Caption This image is from Dinosaur Park Münchehagen, excavating the footprints in 2003. In order to keep the footprints from breaking while they were chiseled out of the rock, they were coated in plaster before removing them. Credit Photo: Holger Lüdtke/2003 Usage Restrictions This photo may be used with the press release. 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.