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Robot Concierge “Ray” Parks Cars Hassle-Free

Stress-free parking is guaranteed at Germany's Dusseldorf Airport, where travellers can call on the help of "Ray," the world's first robot concierge to park and deliver cars to their owners automatically. Developed by Bavarian firm, Serva Transport Systems, Ray is programmed to save both space and time, says software engineer Thomas Nagel.

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