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An expedition decided to observe the life of the beavers - nature's engineer - in the woods of the Rocky Mountains: for the first time a beaver family was filmed in its den during the course of the season.
Vapauta: Jan 01, 1980
Ajonaika: 23 pöytäkirja
Kieli: Deutsch
Studio: Knoop Film Produktion
Maa: Germany
Heittää:
Miehistö: Ernst Arendt (Director)