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Modern Marvels S7E3 — The Chunnel
7.7
Modern Marvels•Season 7•Episode 3

The Chunnel

7.7/10 · 26 votesJan 11, 200044 min

Ranked #10 of 15 in Season 7•−0.3 vs season avg

Discussion

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