A customer scans the payment QR code shown by Gao Jing with a smart phone in Beijing, capital of China, on March 5, 2019. Gao Jing is a delivery woman working near the airport economic zone in Shunyi District in Beijing. Her work is to collect packages from customers within 2 hours after she receives delivery orders on her phone. Her high-quality services win the trust of many customers and more than 100 parcels can be taken in one day at the peak. Now Gao earns more than 10,000 yuan a month (about 1,488 U.S. dollars) and she plans to save money to buy a house together with her husband in her hometown next year. (Xinhua/Jin Liangkuai)