A staff member collects swab samples from an agricultural product for COVID-19 test in a temporary trading area at the Xinfadi wholesale market in Beijing, capital of China, Aug. 6, 2020. (Xinhua/Zhang Chenlin)
Customers shop in a vegetable market set up outside the Xinfadi wholesale market in Beijing, capital of China, Aug. 6, 2020. (Xinhua/Zhang Chenlin)
Merchants sell agricultural products in a temporary trading area at the Xinfadi wholesale market in Beijing, capital of China, Aug. 6, 2020. (Xinhua/Zhang Chenlin)
A merchant unloads apples in a temporary trading area at the Xinfadi wholesale market in Beijing, capital of China, Aug. 6, 2020. (Xinhua/Zhang Chenlin)