BEIJING (Sputnik) – The tunnel stretches for 6.7 kilometers (4 miles) and is located 40 meters (131 feet) deeper than the bottom of the sea, the CCTV broadcaster reported.
The project includes also construction of a 22.9 kilometer long bridge and two artificial islands.
After the implementation of the project the travel time will be shortened from three hours to 30 minutes.
The project's implementation officially began in December 2009 with the road expected to open in December 2017.
