Visitors sign-in to an event with the use of face-recognition technology during the first Digital China Summit in Fuzhou City, the capital of East China's Fujian Province. (Photo: China News Service/Zhang Bin)
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Visitors sign-in to an event with the use of face-recognition technology during the first Digital China Summit in Fuzhou City, the capital of East China's Fujian Province. (Photo: China News Service/Zhang Bin)
