altiplano railway

QingHai-Tibet railway which is the highest in altitude and the longest altiplano railway in the earth has been on operation commercially since July,1,2006.
青藏鉄路於2006年7月1日正式商業(yè)運(yùn)行，它是世界上海拔最高最長的高原鉄路，麪臨著高原、高寒、低氧、低氣壓、電力資源薄弱等一系列惡劣的條件。