| [00:00.0] | Both poles of our planet are covered with ice |
| [00:04.91] | They're the largest and most demanding wildernesses of all |
| [00:10.86] | Nowhere else on earth is seasonal change so extreme |
| [00:17.3] | It causes the ice to advance and retreat every year |
| [00:21.86] | and all life here is governed by that |
| [00:29.7] | When the first polar explorers headed south |
| [00:33.30] | giant cathedrals of ice marked their entry into uncharted territory |
| [00:39.18] | Passing the towering spires |
| [00:41.77] | they must have wondered what unearthly sights lay in store |
| [00:46.75] | As they battled on the ice became increasingly dominant |
| [00:51.82] | but nothing could have prepared them for the ice world |
| [00:55.64] | that finally loomed into view |
| [00:59.45] | Terra incognita - the unknown land |
| [01:04.60] | At the southernmost extreme of our planet |
| [01:08.45] | the continent of Antarctica |
| [01:10.99] | is as large as the United States of America |
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