Building Giants - Season 2 (2019) (Seizoen)
Samenvattingen(1)
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. (Science Channel)
Acteurs
![Julian Barratt](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/278/278186_abcaa7.jpg)
Julian Barratt (verteller)
Groot Brittanië
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