A railway policeman goes through safety check before the trip on train K4673 at Chongqing West Railway Station in southwest China's Chongqing, 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/Huang Wei)