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Building Giants - Season 2 Episode 6 Mega Mountain Tunnel

Trailer
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.

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First Air Date: Jan 04, 2018

Last Air date: Jul 01, 2020

Season: 4 Season

Episode: 29 Episode

Runtime: 45 minutes

IMDb: 7.70/10 by 3.00 users

Popularity: 6.285

Language: English