Yellowstone - Das Geheimnis der Wölfe
70 years after the last wolves roamed the national park, a total of 41 wolves were reintroduced between 1995 and 1997. A globally unique experiment that had many supporters, but also resolute opponents, then as now.
- Thể loại: Phim Tài Liệu, Chương Trình Truyền Hình
- Quốc gia: Germany
- Giám đốc: Jürgen Hansen
- Diễn viên: Bob Beschta, Heiko Grauel, Jo Jung, Oliver Schmitz, Douglas Smith,