Face-scanning metro check-in and payment launched in central China — Xinhua — “Zhengzhou Metro in central China’s Henan Province has ushered in the face-scanning era, as a new check-in and payment system based on facial recognition was launched on Friday… It is the first face-scanning metro check-in and payment system in the country launched along a full metro line, providing passengers with a better experience of quick pass access and automatic ticket buying.”