Tower on the Greenland Ice Sheet (IMAGE) University of Copenhagen - Niels Bohr Institute Caption This is the 40 meter high tower with measuring equipment at Summit. Credit (Credit: Max Berkelhammer, University of Illinois) Usage Restrictions (Credit: Max Berkelhammer, University of Illinois) 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.