Hatalmas mérnöki hibák - Season 1 (2018) (évad)


Holes from Hell (S01E06)

(epizód)
Dokument
Egyesült Államok, 2018, 42 perc

Szereplők:

Ronan Summers (narrátor)

Tartalmak(1)

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. (Science Channel)