Aerial photo shows people queuing to receive nucleic acid tests at a community in Chengdu, southwest China's Sichuan Province, July 28, 2021. Chengdu reported two new COVID-19 confirmed cases and one asymptomatic carrier Wednesday, all locally transmitted. Currently, the city has recorded five locally transmitted confirmed cases and one asymptomatic carrier, all linked to the recent spike in COVID-19 cases in Nanjing, east China's Jiangsu Province. (Xinhua/Shen Bohan)
