Original: The Qingzang railway , Qinghai -- Xizang railway , or Qinghai -- Tibet railway ( ; ) , is a high-altitude railway that connects Xining , Qinghai Province , to Lhasa , Tibet Autonomous Region , in China .
Simplified: The Qingzang railway ( also called Qinghai -- Xizang railway , or Qinghai -- Tibet railway ) is a railway line from Xining , Qinghai Province , to Lhasa in Tibet .