![Changchun opens first checkout-free supermarket(1/5)](http://www.ecns.cn/hd/2018/04/02/23cbe3cbfc984931bf7c1abdacef6199.jpg)
A view of an unmanned supermarket in Changchun City, Jilin Province. The door unlocks only after customers scan a QR code and pass the face recognition to enter. The store allows customers to make a purchase through an app, without using a cashier or checkout station. (Photo: China News Service/Liu Dong)