15 Biggest Tunnels Throughout Human History

So many of us drive through the tunnels or take the subways to get to and from work seven days a week and so it s easy to take these forms of infrastructure for granted. Tunnels have been around for thousands of years, some big and some small, and all serving different purposes. Be it for science, research, or war, tunnels aren’t going anywhere any time soon! But no two tunnels are created equally and there are some still lurking beneath the surface that are absolutely massive. So join us for today’s video, where we look at the 15 biggest tunnels throughout history. #tunnels #top15 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.