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World Longest Underwater Tunnel

5:38

How the world's longest underwater tunnel was built - Alex Gendler

TED-Ed

3.6M views

8:07

How the world longest underwater tunnel was built

The Perspective

403K views

9:31

The Channel Tunnel: Building the World's Longest Undersea Link

The B1M

1M views

8:15

China Leaves American President Shocked, Builds The Longest Undersea Tunnel In The World

Machine Eye

4.7M views

52:30

Building the World's Longest Undersea Railway - The Channel Tunnel Story | Spark

Spark

121K views

13:13

The Impossible Construction of World's Longest Undersea Tunnel

Zem TV

2.2M views

8:45

Europe Is Building The World’s LONGEST UNDERWATER TUNNEL

MegaDose - Mega Constructions

1.2K views

10:44

China's Mega Undersea Tunnel Gives American Engineers Goosebumps

Machine Eye

1M views

4:12

Unbelievable! The sea is full of water, how is the undersea tunnel built?

Machine Eye

1M views

12:18

The World's Most Incredible Undersea Tunnels

Sideprojects

130K views

3:17

Germany and Denmark are building the world's longest underwater rail and road tunnel | DW News

DW News

197K views

1:58

China's longest underwater highway tunnel opens the Taihu tunnel

WONDER WORLD

152K views

51:44

How Did They Build The Underwater Tunnel From England To France? | Super Structures | Progress

Progress - Technology History Documentaries

887K views

27:05

15 MOST Incredible Underwater Tunnels

Top Fives

42K views

28:20

15 LONGEST TUNNELS in the World

Top Fives

45K views

26:52

The World's Most Incredible Undersea Tunnels

The Scary Cherry

226K views

16:50

15 LONGEST Tunnels on Earth

Top Fives

247K views

10:43

Constructing The World's Longest Underwater Tunnel | Modern Wonders Of The World

Naked Science

3K views

51:45

The Science Behind Constructing The Worlds Longest Underwater Tunnel | Super Structures | Spark

Spark

2.4M views

5:54

Denmark’s ‘Disappearing Road’ Is Really An Awesome Underwater Highway

LET ME KNOW

11M views