Frozen planet. Episode 4, Autumn / narrated by David Attenborough ; producer, Miles Barton ; a BBC/Discovery/Antena 3 Television S.A./ZDF/Open University/Skai co-production in association with Discovery Canada.
For the animals of the polar regions, autumn means dramatic battles and epic journeys. Time is running out - the Arctic Ocean is freezing over and the sea ice advancing 2.5 miles a day around Antarctica ... Polar bears gather in large numbers on the Arctic coast as they wait for the return of the ic...
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