Modern Marvels

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Modern Marvels - Season 7 Episode 3 Odcinek 3 ()

The challenge of linking Britain and France with a tunnel under the English Channel was both monumental and delicate. It took 18 months just to design and build the 28 foot diameter TBMs, and nearly a year to assemble and position them underground. Modern Marvels takes you through the entire process from start to finish.


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44 minuty 2025 HD

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