Icefin Robot at Thwaites Grounding Zone (VIDEO) Georgia Institute of Technology This video is under embargo. Please login to access this video. Caption The first-ever visit to the grounding zone of Thwaites Glacier in Antarctica. The grounding line just behind it is an integral factor in the glacier's stability or lack thereof. It is tied to the fate of global sea-levels. At top, the glacier, at bottom, the seafloor. Credit Icefin / Georgia Tech / Schmidt lab / ITGC 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.