Accelerator Tunnel at the European XFEL (IMAGE) Helmholtz-Zentrum Dresden-Rossendorf Caption "Helmholtz International Beamline" will be build at European XFEL in Hamburg, Germany. Credit DESY 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.