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

Passengers pose for photos 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 entered into service on Sunday morning. (Xinhua/Wu Xiaochu)