Impossible Engineering - Season 2 (2016) (temporada)
Gran Bretaña,
2016, 43 min
Sinopsis(1)
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. (Science Channel)
Galería (6)
Foto © Discovery Networks
Foto © Discovery Networks
Foto © Discovery Networks
Foto © Discovery Networks
Foto © Discovery Networks
Foto © Discovery Networks