Medical workers aiding Harbin in nucleic acid testing take photos before returning in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
A medical worker aiding Harbin in nucleic acid testing gestures before getting on a bus in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
Medical workers from Jilin Province wave at a farewell ceremony in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
A medical worker from Jilin Province takes photos before returning in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
Medical workers from Hebei Province wave goodbye on a returning bus in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
Medical workers from Hebei and Jilin provinces attend a farewell ceremony in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
People bid farewell to medical workers from Jilin Province in Harbin, northeast China's Heilongjiang Province, Oct. 4, 2021. A total of 266 medical workers from Hebei and Jilin provinces who came to aid Harbin in nucleic acid testing left the city on Monday after finishing their work. (Xinhua/Zhang Tao)
