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| South portal of railroad tunnel This is the south portal for the BNSF rail tunnel underneath downtown Seattle. It was built in the very early 20th Century. Used also by Amtrak trains & Sound Transit Commuter Rail. The north portal is at the center of this view: www.wikimapia.org/#y=47609733&x=-122344024&z=18&l=0&m=a... . . Category: train railroad portal tunnel
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