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. [Photo/Xinhua]