Timelapse (VIDEO) University of Cambridge This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Five billion litres of water drained to the bed of the ice sheet in under five hours, enough to lift up the kilometre-thick ice by over half a metre. Credit Sam Doyle and Tom Chudley Usage Restrictions Credit: Sam Doyle and Tom Chudley 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.