A medical worker checks the personal information of a man for nucleic acid test at the Nanning Fourth People's Hospital in Nanning, south China's Guangxi Zhuang Autonomous Region, Jan. 27, 2020. China kicked off its annual travel rush, known as "chunyun," on Thursday, with hundreds of millions starting to head home for the Spring Festival that falls on Feb. 12 this year. Known as the world's largest annual human migration, the travel rush lasts 40 days from Jan. 28 to March 8 this year. (Xinhua/Chen Luyuan)
