Air Power! 12 Pneumatic Trains from the Past Future

Remember The Jetsons? How they all traveled by pneumatic tube, sucked from one place to another? These plans, concepts, and photographs show we've been dreaming about that idea for a long time.

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For more things under the ground, on rails, or sucked through a tube, take a look at 10 creepy abaondoned subway stations, impressive luxury trains, crazy and spectacular sewers, 15 pneumatic message networks, or 20 railroad snowplows. [Oobject]