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Super Komachi

Seikan Tunnel in Japan Super Komachi

Seikan Tunnel in Japan

As early as 1946, Japan began looking at ways to build a fixed connection between the main island of Honshu and the nations second largest island to the north, Hokkaido. After decades of surveying and construction, the Seikan Tunnel was finally completed in 1…
bubmag
October 21, 2019