15 DEEPEST Tunnel Networks

Video Description

Fifteen stories down, the world flips upside down. Beneath our cities, oceans, and mountain ranges, engineers have carved out vast tunnel networks so deep they might as well be secret worlds—where daylight never reaches, temperatures soar or freeze, and a single mistake could flood, crush, or strand everything inside. In this video, we’re diving into the 15 deepest tunnel networks ever built, and the extreme risks, wild engineering, and hidden purposes buried far below the surface. #tunnel #tunnels #network #networks #infrastructure Several segments are licensed under creative commons https://creativecommons.org/licenses/by/3.0/legalcode For more video information, please visit our website. The Top Fives show brings you informational and entertaining top five videos! Join us and subscribe for more. Follow Josh on Instagram! Founder and producer of the Top Fives show. Stay up to date with the channel and everything YouTube and business related! https://instagram.com/joshuajosephbaker Follow us on Facebook! https://facebook.com/topfivesyoutube Contact us via the email form here: https://www.youtube.com/topfives/about Note: The videos featured on the Top Fives channel are for educational and informational purposes. If you have a good idea for a video, leave us a comment! We try to read each and every comment made.