Belchentunnel (Switzerland) – Project Film
51:29
O maior túnel do mundo: mineiros de frente para as montanhas
32:41
Ritom Pumped-Storage Plant Project – Tunneling under extreme conditions
50:04
MATTERHORN MEGA PROJECT: Building Europe’s Highest Cable Car | WELT Documentary
17:03
FINAL DA FÁBRICA FEMARN FINAL
20:02
Eppenberg SBB Railway Tunnel - From installation to the breakthrough
30:29
Ingenious Construction Workers That Are at Another Level
1:36:55
Amazing Process of Building 50,000 Liter Massive Oil Tank
20:15