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


    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.