Passengers wait for boarding train K4051 at Beijing Railway Station in Beijing, capital of China, late at night on Jan. 9, 2020. The upcoming holiday for the Spring Festival, a traditional festival for family reunions, will run from Jan. 24 to 30, while the travel rush, also known as chunyun, will last 40 days from Jan. 10 to Feb. 18. (Xinhua/Ju huanzong)