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In Which Country Is The Seikan [Say-Can] Railway Tunnel, The World's Longest Tunnel With An Undersea Segment, Which Passes Beneath The Tsugaru Strait And Connects The Island Of Hokkaido To Aomori [Ow-Moh-Ree] Prefecture On The Island Of Honshu?

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1. In Which Country Is The Seikan [Say-Can] Railway Tunnel, The World's Longest Tunnel With An Undersea Segment, Which Passes Beneath The Tsugaru Strait And Connects The Island Of Hokkaido To Aomori [Ow-Moh-Ree] Prefecture On The Island Of Honshu?





 
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