Treasures of the Earth S10E10 - Treasures of the Earth 2009
Gold and diamonds, but also coal and salt... These mineral resources are often hidden deep in the earth and must be brought to light in mining. WHAT IS WHAT gives fascinating insights into a highly exciting topic!
- Released: 2009-12-05
- Runtime: 50 minutes
- Genre:
- Stars: Crock Krumbiegel, Jakob Riedl, Anna Carlsson
- Director: