Building Giants Season 2 Episode 6
Episode Title: Mega Mountain Tunnel
Genre:
Documentary
Countries:
,
Airing Date: September 11, 2019
Runtime:60 mins
IMDb Rating:
Watch Building Giants Season 2 Episode 6 full movie online free in HD with English subtitles – no download needed.
As engineers race to build a brand-new train tunnel beneath the Alps, they use cutting-edge tech and the latest construction methods to build the world's longest underground railroad in some of the most dangerous conditions on earth.