Technology A 3-D View of the City, Block by Block

Discussion in 'Technology' started by tablet, Feb 18, 2005.

  1. tablet

    tablet Premium Member

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    VEHICLES that move slowly down the street, pausing regularly to take photographs with remote-controlled cameras, tend to make the police a bit nervous. But one trailer loaded with imaging equipment that made its way through the streets of central Philadelphia wasn't spying - although at first, Secret Service agents had their doubts.