Underground Marvels Series 1 3of4 Secrets of the Terror Tunnels

Underground Marvels: Series 1

History Documentary hosted by Jamie Effros, published by Discovery Channel broadcasted as part of Sci. Ch. series in 2019 - English narration
 
https://docuwiki.net/images/5/58/Underground-Marvels-Series-1-Cover.jpg

Information
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Underground Marvels: Series 1
For centuries, people have built mind-blowing structures underground. This series reveals these incredible feats of human endeavor and reveals what people have built, where they've built it, how, and why.


3)  Secrets of the Terror Tunnels 
A vast system of tunnels built almost three thousand years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.

Screenshots
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https://docuwiki.net/images/9/9c/Underground-Marvels-Series-1-Screen0.jpg https://docuwiki.net/images/a/ad/Underground-Marvels-Series-1-Screen1.jpg https://docuwiki.net/images/c/c0/Underground-Marvels-Series-1-Screen9.jpg 

Technical Specs
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 * Video Codec: x264 [email protected]
 * Video: Bitrate: (~4554 kb/s)
 * Video Aspect Ratio: 1920 x 1080
 * Video Resolution: 1.778 (16:9
 * Audio Codec: MPEG-4 AAC LC
 * Audio: English
 * Audio Bitrate: 160 kb/s VBR 48000Hz
 * Audio Channels: Stereo 2
 * Run-Time:43mins
 * Framerate: 23.976.Fps
 * Number of Parts: 4
 * Container Mp4
 * Part Size: 1.39 GB
 * Source: HDTV
 * Encoded by: Harry65

Release Notes

Merged English Subtitles