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More unique materials in our Telegram channel: https://t.me/PANKENK How do they make huge tunnels in rocks and under water? What kind of incredible machines do they use and how big are they? I'll tell you about incredible technology that can destroy everything in its path, leaving smooth walls behind! And at the end, I'll show you secret American tunnels that are hidden all over Europe! Why? Better watch to the end! Waste Recycling: How Do They Do It?: • How DO THEY MAKE MONEY ON Waste? For copyright issues, please contact us by email: [email protected] For advertising and cooperation, write to email: [email protected] If you want to become part of the Pancake team, go to the Telegram bot at the link: https://t.me/pancakeHR_bot Well, what happens next, you'll figure it out, it's not that complicated! Timestamps: 00:00 Intro 00:20 Tunnel Boring Machines 01:55 Big Bertha 03:24 What Happened to Bertha? 04:23 The Lady Bird 06:17 Trekking Through the Alps 08:27 Brenner Base Tunnel TBMs 10:26 Fangsheng 12:20 Moscow Metro 14:05 US Underground Bases 15:38 Conclusion #pancake #megaproject #china