China's Qinghai-Tibet Plateau, rising more than 4,000 meters above sea level, is the highest plateau in the world, making it be the closest place on Earth to Heaven. The Qinghai-Tibet Railway, under...
Please login first!
China's Qinghai-Tibet Plateau, rising more than 4,000 meters above sea level, is the highest plateau in the world, making it be the closest place on Earth to Heaven. The Qinghai-Tibet Railway, under...