How long is the underwater tunnel in seikan?

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Adah Tromp asked a question: How long is the underwater tunnel in seikan?
Asked By: Adah Tromp
Date created: Thu, Jul 8, 2021 10:19 PM
Date updated: Sat, Jun 25, 2022 7:21 AM

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Top best answers to the question «How long is the underwater tunnel in seikan»

  • The Seikan Tunnel lies 140m below the seabed and spans almost 54km in length! The question is, of course, how in the world are these engineering marvels constructed with all the mud and water torrenting in from even the tiniest of punctures?

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