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The polar caps have the most extreme seasonal contrasts, growing and melting vast ice masses, so wildlife adapts by annual migrations. The majority of Antartica is a vast barren permafrost. Only 3% of the coast and peninsular peaks a

  • Released: 2007-04-01
  • Runtime: 50 minutes
  • Genre: Documentary
  • Stars: David Attenborough, Sigourney Weaver, Doug Allan
  • Director: Alastair Fothergill, Gary Parker