Present-Day View of Area (IMAGE) University of Copenhagen - Faculty of Science Caption A present day view north in the area where the retreating ice sheets created the ice free corridor more than 13,000 years ago. Credit Mikkel Winther Pedersen 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.