Wang Changfu (R), waves goodbye to his three-year-old daughter on train K4051 at Beijing Railway Station in Beijing, capital of China, Jan. 10, 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)