NASA has just released new aerial photographs that show, close-up, an immense, 70-mile long rift in the Larsen C ice shelf in Antarctica. The breach is 300 feet wide and one-third of a mile deep. As it grows, an iceberg the size of Delaware will break off.

Source: http://www.ecowatch.com/nasa-antartica-larsen-c-2144755963.html?slide=LEQjkX