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gunzel412
19 days ago
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Koralm Railway
Let me introduce you to the Seikan Tunnel [1] between the islands of Honshu and Hokkaido in Japan, 53.85km with 23.3km of that under the sea.
[1]
https://en.wikipedia.org/wiki/Seikan_Tunnel
ChrisMarshallNY
19 days ago
[–]
Now,
that’s
scary. I do know that the Japanese have the world’s best anti-earthquake architecture (because they need it), but it’s still scary.
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[1] https://en.wikipedia.org/wiki/Seikan_Tunnel