The 20 km-wide Petermann Fjord (IMAGE) Stockholm University Caption The 20 km-wide Petermann Fjord with the ice shelf in the far distance. Photo: Martin Jakobsson Credit Photo: Martin Jakobsson Usage Restrictions CC BY-NC-ND Creative Commons Attribution-NonCommercial-NoDerivatives International license. You are free to share the material. Attribution is required. You may not use the material for commercial purposes. You cannot distribute any derivative works or adaptations of the original work. Further details are available at https://creativecommons.org/licenses/by-nc-nd/4.0/. 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.