
6 Musim
42 Episode
Ancient Discoveries - Season 5 Episode 5
Unique technologies of ancient miners, including a Roman hydraulic system, sappers who could undermine castle walls and the 1689 origination of gunpowder mining in England.
- Tahun: 2009
- Negara:
- Aliran: Documentary
- Studio: History
- Kata kunci:
- Direktur:
- Pemeran: Sean Barrett