China to build world's longest underwater tunnel

China announced a plan to build the longest underwater tunnel of the World on 14 February 2014. Water tunnel will be constructed beneath the Bohai Sea. 

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 ambitious project is expected to be submitted to the State Council of the People's Republic of China in April, the China Daily reported on Friday.

Important to note :

Length of the tunnel will be 123 km and this underwater tunnel will cost around 220 billion yuan ($36 billion).