China has opened the world's longest high-speed rail line

"China has opened the world's longest high-speed rail line. The two thousand three hundred kilometre rail line will slash by more than half the journey time from the capital Beijing in the north to the economic hub of Guangzhou in the south." http://www.abc.net.au/news/2012-12-27/an-china-opens-longest-high-speed-rail-line/4444334