final moments of the endurance. this 100—year—old footage restored and released by the bfi, shows sir ernest shackleton�*s famous ship as it was lost to the antarctic ice. there's the endurance. now a new expedition is attempting to locate the ship. the endurance is the... the most unreachable wreck in the world, and the big challenge is the ice. it's opening, it's clenching. it's a really vicious, lethal environment. this was shackleton�*s third expedition to antarctica. endurance set off from south georgia in december 1914, but it was a bad year for sea ice and by mid—january, the ship had become frozen fast. it drifted for months with the crew on board, but eventually, an order was given to abandon the ship after it became crushed by the weight of the ice. endurance finally sank on the 21st of november 1915.