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Polar landscapes are transformed as the big freeze returns. Most animals leave on epic journeys, some now battle to breed, and, for the hardy few, it’s a time of opportunity.
First Air Date : Oct 26, 2011
Last Air date : Dec 07, 2011
Episode : 7 Episode
Season : 1 Season
Runtime: 50:14 minutes
Studio: BBC One
Cast: David Attenborough
