The Vibrant Express train of the Guangzhou-Shenzhen-Hong Kong High Speed Rail arrives at Guangzhou South Railway Station during a test run in Guangzhou, south China's Guangdong Province, Sept. 22, 2018. The opening ceremony of the Hong Kong section of the Guangzhou-Shenzhen-Hong Kong High Speed Rail took place here on Saturday. HKSAR Chief Executive Lam Cheng Yuet-ngor said at the opening ceremony that the opening of the railway's Hong Kong section marked the region's official connection with the national high-speed railway network. (Xinhua/Li Gang)