Simplify the following text for a Grade 10 native English-speaking person.
Original: 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 .
Simplified: The Qingzang railway ( also called Qinghaiâ `` Xizang railway , or Qinghaiâ `` Tibet railway ) is a railway line from Xining , Qinghai Province , to Lhasa in Tibet .