UNDERWATER TUNNEL CHINA (HZMB) Uncut Video for crossing the underwater bridge from Hongkong to Macau

Hongkong-Zhuhai-Macao Bridge (HZMB), China
中国港珠澳大桥岛隧工程

- longest underwater tunnel in the world, almost 45 m below sea level
- part of the 35 km long road connection between Hong Kong and Macao/Zhuhai in the area of the approach path to the Hong Kong International Airport Chep Lap Kop.
- construction period: 2012 to 2015
- tunnel length: 6 km

The Hong Kong–Zhuhai–Macau Bridge (HZMB) is a 55-kilometre (34 mi) bridge–tunnel system consisting of a series of three cable-stayed bridges, an undersea tunnel, and four artificial islands. It is both the longest sea crossing[5][6] and the longest open-sea fixed link in the world. The HZMB spans the Lingding and Jiuzhou channels, connecting Hong Kong and Macau with Zhuhai— a major city on the Pearl River Delta in China.

The HZM Bridge was designed to last for 120 years and cost ¥127 billion (US$18.8 billion) to build.[2] The cost of constructing the Main Bridge was estimated at ¥51.1 billion (US$7.56 billion) funded by bank loans and shared among the governments of mainland China, Hong Kong and Macau.[7]

Originally set to be opened to traffic in late 2016,[8][9][10] the structure was completed on 6 February 2018[1] and journalists were subsequently taken for a ride over the bridge.[11][12] On 24 October 2018 the HZMB was opened to the public after its inauguration a day earlier by Chinese leader Xi Jinping.












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