10 Temporada
82 Episodio
Ingeniería de lo imposible - Season 2 Episode 5 Episodio 5
How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder, the Gotthard Base Tunnel.
- Año: 2021
- País: United Kingdom, United States of America
- Género: Documentary
- Estudio: Science
- Palabra clave: engineering
- Director:
- Emitir: Mike Bratton