China's first 5G checkpoint rolls out at Sino-DPRK border
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E-mail CGTN, April 25, 2019
Lin Risong, a senior officer from Tonghua border control unit, told CGTN that traditional foot patrol can only cover a distance of 5 kilometers an hour, whereas patrol drones can get the job done in less than 10 minutes with no blind spots. [Photo/CGTN]
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