Japan Claims Longest Overland Tunnel
The 16.4 mile Hakkoda Tunnel will become part of a new bullet train line under construction to link Tokyo with the northern city of Aomori about 360 miles to the north.
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Japan Claims Longest Overland Tunnel
The 16.4 mile Hakkoda Tunnel will become part of a new bullet train line under construction to link Tokyo with the northern city of Aomori about 360 miles to the north.
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