Alipay face-scanning payment machines expected to be put into use in Chengdu, China's Sichuan

A customer holds a receipt after using face-scanning payment at a supermarket in Chengdu, capital of southwest China's Sichuan Province, Sept. 14, 2018. Thousands of Alipay face-scanning payment machines are expected to be put into use in Chengdu at the end of this year. (Xinhua/Jiang Hongjing)