Input (grade 13): The Qingzang railway, Qinghaiâ "Xizang railway, or Qinghaiâ" Tibet railway, is a high-altitude railway that connects Xining, Qinghai Province, to Lhasa, Tibet Autonomous Region, in People's Republic of China.
Output (grade 12): The Qingzang railway (also called Qinghaiâ "Xizang railway, or Qinghaiâ" Tibet railway) is a railway line from Xining, Qinghai Province, to Lhasa in Tibet.