Volunteers help passengers to buy tickets in Xiuying Port of Haikou, south China's Hainan Province, 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/Yang Guanyu)