An aerial photo taken on Dec 27, 2017 shows the Hong Kong-Zhuhai-Macao Bridge in South China's Guangdong province. [Photo/Xinhua]
Hong Kong has built more links with the mainland. The Hong Kong-Zhuhai-Macao Bridge, the world's longest manmade sea crossing, will cut travel time between Hong Kong and Zhuhai from three hours to just 30 minutes.