6 Temporada
41 Episodio
Megaestructuras - Season 6 Episode 1 Episodio 1
Return to the 57-kilometer long high-speed rail tunnel in Switzerland's Gotthard Mountain range to see what it will take to finish the project by 2017.
- Año: 2012
- País: Canada, Germany, United States of America
- Género: Documentary
- Estudio: Discovery
- Palabra clave: technology
- Director:
- Emitir: