
A customer pays by scanning the QR code at the Italian restaurant Bucciano in Chengdu, southwest China's Sichuan Province, March 16, 2020. (Xinhua/Li Mengxin)

A customer pays by scanning the QR code at the Italian restaurant Bucciano in Chengdu, southwest China's Sichuan Province, March 16, 2020. (Xinhua/Li Mengxin)