Whole line of Guangzhou-Shenzhen-Hong Kong Express Rail Link put into operation

Passengers go through the Customs at West Kowloon Station in Hong Kong, south China, Sept. 23, 2018. The whole line of the Guangzhou-Shenzhen-Hong Kong Express Rail Link has been put into official operation, as the Hong Kong section of the high-speed railway went into service on Sunday morning. (Xinhua/Wu Tao)