Catch a ride on some of the worlds biggest and most powerful machines as they try to survive everything Alaska throws at them. See heavy-haul trucks that carry 90-tonne loads on roads of ice, 100 foot long logging helicopters, massive tugs on the Bering Sea, and the largest non-nuclear ice-breaker in the world - capable of breaking through ice up to 15 feet thick. Plus take a look at the technology and engineering that make these great machines work, the incredible challenges they face and the people that keep them running.
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