At Dusseldorf Airport, the parking robot "Ray" has ushered in a new era in the parking garage. Travelers can simply leave their cars at the curb and head straight for the check-in counter. The robot, a driverless transport system, takes over from there. A computer calculates where the cars can be best parked and gives Ray his instructions. Drive It! took a closer look at Ray. For more go to http://www.dw.de/program/drive-it/s-9690-9798
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