The Seikan Tunnel (青函トンネル, the longest underwater tunnel) JR Hokkaido Series EH 800, E5 Shinkansen

The Seikan Tunnel is the longest underwater tunnel and the second long tunnel over all in the world. Total length is , and about long section is under the Tsugaru Strait. This tunnel began construction in Sep 28, 1971 and completed in 1987. Please forgive me if I made mistakes. :) Enjoy the ride!!! If you have any suggestions or anything you want to say, please leave them in Comments Section. Twitter: Facebook: Googl