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.
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.
