Mérnöki csodák - Season 5 (2019) (évad)
Dokument / Történelmi
Egyesült Királyság,
2019, 42 perc
Tartalmak(1)
To build the world's tallest railway, engineers braved a deadly Himalayan environment and its -40 degree temperatures. The cutting-edge $4 billion train system connects one of the planet's most inaccessible cities to a world beyond the ice. (Science Channel)
Galéria (8)
Photo © Discovery Networks