A medical worker collects nucleic acid sample at the testing site in a high school in Harbin, capital of northeast China's Heilongjiang Province, Jan. 22, 2021. Despite the extreme cold weather in Harbin, COVID-19 prevention and control workers stuck to their posts maintaining order and collecting nucleic acid samples. (Xinhua/Xie Jianfei)
Xinhua photos of the day
Source: Xinhua| 2021-01-24 10:35:06|Editor: huaxia