![](https://image.tmdb.org/t/p/w500/hsS5jn1JtTwJ95C5lUAKD5g6wiF.jpg)
description About
From the Swiss Alps to a Japanese metropolis, tunnels are often wonders of modern construction, but can also be scenes of disaster. These are the 10 most extreme tunnels on Earth.
Info
- verified Status: Ended
- person By: Unknown
- calendar_month Release Date: 2014-12-15
- video_camera_front Companies Arrow Media
- tag Season: Season 1
- timer Episode Runtime: 45 Mins
- star Rating: 0 / 10
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