Impossible Engineering - Season 5 (2019) (season)
Plots(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)
Gallery (8)
Photo © Discovery Networks
![Impossible Engineering - Himalayan Mega Train - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/168/657/168657604_1by2h8.jpg)