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Related articles:
Tunnel
Channel Tunnel
Gotthard Base Tunnel
Shinkansen
Sapporo
Key terms: tunnel seikan train stations shinkansen aomori service railway seikan tunnel traffic portion hokkaido undersea geology japanese construction transport connecting main tunnel consists hakodate increasing pilot tunnel service tunnel tsugaru strait volcanic cross section sapporo tertiary surveys travel initial conditions completed hokkaido shinkansen longest kilometres boring sedimentary rocks neck tunnel in the world Search external links cited by footnotes on Wikipedia page Seikan Tunnel: |
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