Ice Worlds is an episode of Planet Earth starring David Attenborough, Sigourney Weaver, and Doug Allan. The polar caps have the most extreme seasonal contrasts, growing and melting vast ice masses, so wildlife adapts by annual...
Released: 2006-11-05
Runtime: 50 minutes
Genre: Documentary
Stars: David Attenborough, Sigourney Weaver, Doug Allan, Thomas Anguti Johnston