NewsWorldEngineering Wonder: China to build world's longest underwater tunnel
Engineering Wonder: China to build world's longest underwater tunnel
New Delhi: China plans to build the world's longest underwater tunnel beneath the Bohai Sea by 2026, connecting the port cities of Dalian in Liaoning province and Yantai in Shandong province. The blueprint of the
Wang said that the 123-km underwater tunnel will cost around 220 billion yuan ($36 billion).