Mandi Bierly
April 11, 2012 AT 06:24 PM EDT

On this Sunday’s installment of Discovery’s Frozen Planet, “Life in the Freezer,” the focus turns to the humans who call the Arctic home and the extreme lengths that they must go to survive when frozen ground makes growing crops impossible. In this clip, a man trusts his life to the strength of his friends and an old nylon rope as he scales a 300-foot cliff to collect guillemot eggs. Watch below.

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