Guo Penghao (2nd L), leader of a team of seven virus testing professionals from the Chinese mainland, receives a bouquet from a representative of local residents in Hong Kong, south China, Aug. 2, 2020. Seven virus testing professionals from the Chinese mainland arrived in Hong Kong on Sunday afternoon as the first batch of mainland supportive teams to help contain a worsening spread of COVID-19 in Hong Kong. (Xinhua/Li Gang)
