Building Giants · SEASON 2

Mega Mountain Tunnel

Episode 6 · 2019-09-11

★ N/A
Building Giants poster
Season 2Episode 6★ N/A/10
  • Documentary
  • Reality

Episode overview

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.

45 minutes

Season 2 episodes