The UNIQUE Metro System in WASHINGTON DC | Inter-state, SNOWPROOF, and… CARPETED?
20:33
Unique Station Designs on the DC Metro Green Line
16:45
The Subway Under the US Capitol
17:33
Washington DC Just Lost This Entire Transit Network
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Cherry Blossoms in Washington DC | Metro Fleet of the Future Expo
15:04
How to Ride the Washington D.C. Subway/Metro
17:56
Washington DC's UNDERGROUND CITY is about to close... Crystal City Underground
13:28
How the Washington DC Metro Became AMERICA'S BEST METRO!
15:55