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Das Haus der Biber
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.
- Thể loại: Phim Tài Liệu
- Quốc gia: Germany
- Giám đốc: Ernst Arendt
- Diễn viên: