A Look Inside Switzerland’s Doomsday Bunkers | Underground Marvels | Science Channel
32:50
Enviamos um robô para o túnel secreto do Monte do Templo
15:33
Inside the Doomsday Bunker for the Super Rich
10:13
Why Graphite Is The New Gold As Tech Wars Ramp Up | Risky Business
44:30
Coastal Defense Explored - Underground Worlds - Documentary
19:37
We Explored the World’s Largest Doomsday Community (575 underground bunkers)
19:56
Touring a MASSIVE 50,000+ SqFt NUCLEAR BUNKER!
9:48
Why does Switzerland have so many bunkers? On Assignment | ITV News
21:28