China plans a 13,000 km rail line to US passing through a tunnel underneath the Pacific Ocean

The plan will begin with the construction of a 30-km long tunnel, stated to be the longest in Asia connecting China with Myanmar.

The engineering difficulties equivalent to those found in the construction of rail lines on the permafrost in Tibet, Wang said.

China has already built a rail network up to Xigaze close to Arunachal Pradesh border.

China has completed 11028 km of high speed train network and another 12000 km tracks under construction.  

Chinese officials in 2010 spoke of China's wish building a high speed train network connecting India and Pakistan.