Ratkaiseva rakennusvirhe - Season 1 (2018) (kausi)


Holes from Hell (S01E06)

(jakso)
Yhdysvallat, 2018, 42 min

Näyttelijät:

Ronan Summers (kertoja)

Juonikuvaukset(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)