📍The 6.7-kilometer underwater tunnel is a vital, submerged component of the 55-km Hong Kong–Zhuhai–Macao Bridge (HZMB). 📍Opened in 2018, this immersed tube tunnel lies between two artificial islands and enables ships to pass through the busy Lingdingyang channel. 📍It is the longest sea-crossing bridge-tunnel system in the world. Key details about the HZMB underwater tunnel: 👉Structure: The tunnel consists of 33 segments, each over 180 meters long, which were prefabricated, transported to the
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📍The 6.7-kilometer underwater tunnel is a vital, submerged component of the 55-km Hong Kong–Zhuhai–Macao Bridge (HZMB). 📍Opened in 2018, this immersed tube tunnel lies between two artificial islands and enables ships to pass through the busy Lingdingyang channel. 📍It is the longest sea-crossing bridge-tunnel system in the world. Key details about the HZMB underwater tunnel: 👉Structure: The tunnel consists of 33 segments, each over 180 meters long, which were prefabricated, transported to the
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