Tunnel-Packer-System (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Tunnel-Packer-System des CFM-Projektes im Felslabor Grimsel. Credit Franz Rinderknecht/KIT 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.