CNN CNN Newsroom December 28, 2013 22:34:00
>> reporter: you think because this is a glacial environment, sea ice would move at a glacial pace. not the case. ice rush offered the sea by wind. they can expand and grow thicker, rise and fall with waves beneath them and blizzard conditions come into antarctica even in summer don't help. you might remember this scene from minnesota when wind blew ice ashore. climbing and cracking into doors and windows. think of the same principle in a massive frigid sea. you can see how a vessel got trapped. how earnest and the endurance were surrounded and how that ship was crushed. even animals, like tra...