HK passengers queue to buy Guangzhou-Shenzhen-Hong Kong high-speed railway tickets

A passenger shows high-speed railway tickets from Hong Kong West Kowloon Station to Shenzhen North Station, in Hong Kong, south China, Sept. 10, 2018. The Guangzhou-Shenzhen-Hong Kong high-speed railway will officially start operation on Sept. 23. The sale of the tickets began on Monday. (Xinhua/Wang Shen)