Facial recognition devices installed in central China's Wuhan Railway Station

A passenger uses her identification card at a facial recognition device before boarding the train at Wuhan Railway Station in Wuhan, central China's Hubei Province, Aug. 22, 2017. Thirty-two facial recognition devices have been installed in Wuhan Railway Station to speed the process of checking tickets. [Photo: Xinhua/Xiong Qi]

A passenger uses her identification card at a facial recognition device before boarding the train at Wuhan Railway Station in Wuhan, central China's Hubei Province, Aug. 22, 2017. Thirty-two facial recognition devices have been installed in Wuhan Railway Station to speed the process of checking tickets. [Photo: Xinhua/Xiong Qi]

A passenger uses his identification card at a facial recognition device before boarding the train at Wuhan Railway Station in Wuhan, central China's Hubei Province, Aug. 22, 2017. Thirty-two facial recognition devices have been installed in Wuhan Railway Station to speed the process of checking tickets. [Photo: Xinhua/Xiong Qi]

A passenger uses her identification card at a facial recognition device before boarding the train at Wuhan Railway Station in Wuhan, central China's Hubei Province, Aug. 22, 2017. Thirty-two facial recognition devices have been installed in Wuhan Railway Station to speed the process of checking tickets. [Photo: Xinhua/Xiong Qi]

A passenger uses his identification card at a facial recognition device before boarding the train at Wuhan Railway Station in Wuhan, central China's Hubei Province, Aug. 22, 2017. Thirty-two facial recognition devices have been installed in Wuhan Railway Station to speed the process of checking tickets. [Photo: Xinhua/Xiong Qi]