Ancient Discoveries
Ancient Mining Machines (5x5)
Fecha de emisión: Nov 20, 2008
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.
- Estrenada: Dic 2003
- Episodios: 42
- Seguidores: 23
- Finalizado
- History
- Desconocido