he Ya’an-Nyingchi section is believed to be one of the

 world’s most challenging railway projects to build, as it will traverse the southeast

portion of the Qinghai-Tibet Plateau, which has intricate and difficult geological conditions.

Previous reports said that 80 percent of the Sichuan-Tibet Railway will

consist of tunnels and bridges, and the cumulative ascent of the line will exceed 16,000 me

ters, which is equivalent to double the height of Qomolangma, the world’s highest mountain also known as Mount Everest.

When the line is completed, the travel time by rail between Chengdu and Lhasa will shorten f

rom 48 hours to about 13 hours.hina’s national railway operator has on Wednesday added a new function to h

elp people buy tickets on the booking site 12306.cn and its related app, the Beijing News reported.

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