Moulin (IMAGE) University of Cambridge Caption After draining, lakes leave behind holes called 'moulins', which allow meltwater to continue to travel to the bottom of the ice sheet. Credit Charlie Schoonman Usage Restrictions Credit: Charlie Schoonman 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.