Lighting up the plateau: Pasang Tsering How was an iron pylon built at 5,000 meters above sea level in minus 42 degrees Celsius? About 25 years ago, Pasang witnessed the creation of the world's highest "electricity skyroad," guarding the flickering gleam of a butter lamp as it transformed into neon lights. #Xizang #SunriseoverthePlateau | CGTN Documentary