CHINA REVIVES WORLD’S LONGEST UNDERSEA TUNNEL PROJECT

China has announced plans to revive an undersea tunnel project that will allow vehicular traffic to cross under the Bohai Strait, cutting the travel distance between China’s eastern and northeastern regions by 620 miles (998 km). When completed, the tunnel will span 76.4 miles (123 km), more than twice the distance of Japan’s Seikan Tunnel, currently the world’s longest undersea tunnel. The project was first announced in the 1990s and was set to be completed before 2010 at a cost of $10 billion. However, it never went beyond the planning stage. Its cost has more than quadrupled since. More… Discuss