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Uploaded 3 months ago
Duration: 0h 3m 45s
World's 11 Famously Long Tunnels
Running deep beneath mountains, rivers, and sometimes bustling cities are the world's longest tunnels.
Quiet marvels of modern engineering, hidden from sight, they are vital to everyday life, carrying drinking water to millions, whisking metro trains between megacities, draining floodwaters, and connect regions once separated by formidable terrain.
Uploaded by: Rediff Video Desk on Fri, 26 Dec 2025 15:56:38 +0530
Views: 53
Tags: World's 11 Famously Long Tunnels
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