Photo of 79 N Glacier, Greenland (IMAGE) American Institute of Physics Caption Photo of 79 N Glacier, Greenland, taken during a survey by the Alfred Wegener Institute's polar research aircraft Polar 6 in 2016. The picture shows an area of fast glacier flow with high contribution of sliding friction. Credit Julia Christmann, AWI Usage Restrictions This image may be used only with appropriate credit. 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.