Fan Xuefeng checks the health code of a resident at a nucleic acid testing site in Guangling District in Yangzhou, east China's Jiangsu Province, Aug. 20, 2021. Fan Xuefeng is a community police officer of Dongguan Police Station in Yangzhou. During the recent COVID-19 resurgence in the city, Fan and his colleagues stuck to the front line of epidemic prevention and cooperated with community workers. (Xinhua/Li Bo)
