The Monstrous Machines That Drill Underwater Tunnels
32:41
Ritom Pumped-Storage Plant Project – Tunneling under extreme conditions
51:43
The Colossal Engineering Behind The World's Largest Oil Rig
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Inside Liebherr: Creating the Largest Mobile Cranes in the World | FD Engineering
48:48
MEGA TUNNEL MACHINES - Drilling, Digging & Blasting | Full Documentary
51:41
How Did they Build the Suez Canal? 1859 to Today: Extreme Constructions | Documentary
51:10
Battle Beneath the City - Mega Metro - S01 EP2 - Engineering Documentary
49:27
Digging Deep: Inside The World's Biggest Tunnel Megaprojects
50:18