World's Longest Tunnel - How It Was Built - Full Documentary Published 2017-12-13 Download video MP4 360p Recommendations 32:41 Ritom Pumped-Storage Plant Project – Tunneling under extreme conditions 11:20 INCREDIBLE SWITZERLAND BIGGEST TUNNEL BORING MACHINE DIAMETER-HOW DOES TUNNEL BORING MACHINE WORK? 27:51 The Insane Scale of Europe’s New Mega-Tunnel 20:02 Eppenberg SBB Railway Tunnel - From installation to the breakthrough 26:07 How Did Norway Build Bridges Both Above & Below Sea Level? Tunnel Construction Process 51:44 How Did They Build The Underwater Tunnel From England To France? | Super Structures | Progress 08:15 China Leaves American President Shocked, Builds The Longest Undersea Tunnel In The World 48:48 MEGA TUNNEL MACHINES - Drilling, Digging & Blasting | Full Documentary 14:05 Switzerland Built the World's Longest Tunnel 46:25 Gigantic Tunnel Drilling Machines | Men and Machines | Free Documentary 51:02 Tunneling Beneath Sydney - Mega Metro - S01 EP1 - Engineering Documentary 44:27 Boston's Big Dig | Extreme Engineering 46:16 Megaproject: Singapore's Deep Tunnel Sewerage System | Tomorrow City | Part 1/3 10:34 Why Europe is Building a 57KM Tunnel Through a Mountain 1:04:50 World War 1 (All Parts) 09:08 HOW IT'S MADE: Underwater Tunnels 26:36 Building The Golden Gate Bridge 48:14 Gigantic Overseas Autoliner | Mega Transports | Free Documentary 51:45 The Science Behind Constructing The Worlds Longest Underwater Tunnel | Super Structures | Spark Similar videos 05:38 How the world's longest underwater tunnel was built - Alex Gendler 40:25 Construction of World's Longest and Deepest Tunnel | Documentary Film 08:07 How the world longest underwater tunnel was built 04:12 Unbelievable! The sea is full of water, how is the undersea tunnel built? 09:31 Building the World's Longest Undersea Tunnel 1:03:34 Gotthard Tunnel Opening Ritual (Shocking) More results