Passengers queue to buy tickets at the Hong Kong West Kowloon Station, in Hong Kong, South China, on 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 Sept 10. [Photo/Xinhua]
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. [Photo/Xinhua]
A passenger pays a ticket at the Hong Kong West Kowloon Station, in Hong Kong, South China, on Sept 10, 2018. [Photo/Xinhua]