People ride a train at Shijiazhuang train station on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

A man rides a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People ride a train at Shijiazhuang train station on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People rest as ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

A man rides a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

A couple rests on the floor as they ride a train from Beijing to Shijiazhuang on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)

People are seen at Beijing railway station on February 6, 2024. Millions of Chinese are making their way to their hometowns, in the world's largest annual human migration, to celebrate the Lunar New Year with family on February 10. (Photo by Pedro PARDO / AFP)