A visitor tries smart home system during the 7th China Information Technology Expo (CITE 2019) in Shenzhen, south China's Guangdong Province, April 9, 2019. The CITE 2019 opened at Shenzhen Convention and Exhibition Center on Tuesday. (Xinhua/Mao Siqian)
7th China Information Technology Expo held in Shenzhen, China's Guangdong
Source: Xinhua| 2019-04-09 22:31:37|Editor: zh
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