XINING, July 6 (Xinhua) -- Seven years after the Qinghai-Tibet Railway went into operation, the "roof of the world" is about to see more railways connecting it to other parts of China.
Several new railway lines are either under construction or being planned to form a rail network in the sparsely populated Qinghai-Tibet Plateau in western China, according to the Qinghai-Tibet Railway Company, the operator of the world's highest railway.
During China's 12th Five Year Plan (2011-2015) period, the Qinghai-Tibet Railway will branch out in all directions, ending the history of no railways in the southern part of Tibet Autonomous Region and strengthening its ties with neighboring provinces.
The Qinghai-Tibet Railway, which spans 1,956 km from Xining, Qinghai Province, to Lhasa, regional capital of Tibet, carried 10.76 million people and 56.06 million tonnes of cargo in 2012. With these new extension lines in place, the company estimates that its passenger and cargo loads will increase to 14 million and 90 tonnes, respectively, in 2015.
The railway has led to a boom in tourism in Tibet. In 2012, more than 10 million tourists visited the autonomous region, up 21.7 percent year on year, and tourism revenue surged 30.3 percent to 12.64 billion yuan (2.06 billion U.S. dollars).
According to Zhu Jianping, the company's vice general manager, the railway network will bring major cities in western China closer.
One of the first extensions to be completed will be a 253-km line linking Lhasa to Xigaze, a historical city in southwestern Tibet.
Construction of the line began in September 2010, and is expected to finish at the end of this year, Losang Jamcan, chairman of the Tibet regional government, said during China's annual parliamentary session in March.
The company is also considering a line between Lhasa to Nyingchi, a prefecture in the southeastern part of the autonomous region famous for its virgin forests.
Meanwhile, two new lines will extend from Golmud, a city in Qinghai that serves as an important junction on the Qinghai-Tibet Railway. One will run toward Dunhuang in northwest China's Gansu Province and the other to Korla, Xinjiang Uygur Autonomous Region.
People enjoy time at old teahouse in Kashgar, NW China's Xinjiang