Uploaded November 2025 | Updated September 2026, 2 weeks ago

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This is literally the biggest construction site in Europe — and yet, most Europeans don’t even know that this tunnel could soon change the way we travel across the continent! Let's dive into the engineering and construction of this 18 km long underwater tunnel in the Baltic Sea!

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0:00 How the World’s Largest Underwater Tunnel Is Being Built
0:40 The Problem
1:40 The Trans-European Transport Network
2:48 The Construction of the Fehmarnbelt Tunnel
5:48 Building the Tunnel Portals & Elements
10:02 The Immersion of the Elements
11:28 Ships & Boats

Thank you to Markus Just and the Femern Team for helping us with this video!
femern.com

#megaprojects #construction #engineering
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