Qinghai-Tibet Plateau: Story of the Roof of the World, Ecological Progress in China's Autonomous Regions, Qinghai, Xining, Lhasa, Chaka Salt Lake (Simplified Characters & Pinyin, Graded Reader L4)

Qinghai-Tibet Plateau (青藏高原) is the world's highest plateau. With an average altitude of 4,000 meters, the plateau is also known as the Roof of the World (世界屋脊) and Third Pole (第三极). The Plateau is about 2800 kilometers long from east to west, and 300 to 1500 kilometers wide from north to south. Qinghai-Tibet Plateau, with a total area of about 2.5 million square kilometers, includes all of the Tibet Autonomous Region of China, and parts of Qinghai Province, Xinjiang Uygur Autonomous Region...