Visitors experience face recognition technology during an exhibition of the 2nd World Intelligence Congress in north China's Tianjin, May 17, 2018. Many enterprises displayed face recognition technology and application at the exhibition. (Xinhua/Li Ran)
Visitors view face recognition equipment during an exhibition of the 2nd World Intelligence Congress in north China's Tianjin, May 18, 2018. Many enterprises displayed face recognition technology and application at the exhibition. (Xinhua/Li Ran)
Visitors experience face recognition technology during an exhibition of the 2nd World Intelligence Congress in north China's Tianjin, May 18, 2018. Many enterprises displayed face recognition technology and application at the exhibition. (Xinhua/Li Ran)
