A man walks past temporary COVID-19 test processing labs set up inside inflatable tents in Qingdao in eastern China's Shandong Province, Wednesday, Oct. 14, 2020. China says it has carried out more than 4.2 million tests in the northern port city of Qingdao, with no new cases of coronavirus found among the almost 2 million sets of results received. (Chinatopix via AP)