Genres: Documentary, TV Movie

Keywords: tmdb.field-research, tmdb.nature-documentary, tmdb.animal-research, tmdb.scientific-research, tmdb.sleep-study, tmdb.science-mystery, tmdb.animal-documentary + 3 more, tmdb.science-and-nature, tmdb.wildlife-documentary, tmdb.science-documentary

Production companies: CBC Docs, Love Nature Channel, WDR/Arte

Country: Germany
Languages: German