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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.wi
by gunzel412 10mo ago
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 https://en.wikipedia.org/wiki/Seikan_Tunnel
- ChrisMarshallNY 10mo agoNow, 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.