Overview:
A giant tunnel boring machine stuck underground, a village sinking into a mountain, and massive holes that could derail a train are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal if they can be fixed.
Genre : Documentary
Actors : -
Release Date : 2018-05-10
Duration : 42 menit
Rating : ⭐ 0/10 (0 votes)
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