A Staff member talks through a loudspeaker about epidemic prevention precautions in the waiting hall of Hankou Raiway Station in Wuhan, central China's Hubei Province, Jan. 28, 2021. The Spring Festival travel rush, known as the world's largest annual human migration, lasts 40 days from Jan. 28 to March 8 this year. (Xinhua/Xiao Yijiu)
