青藏高原是世界上最高的高原,有“世界屋脊”之称。青藏高原面积240万平方公里,海拔大多在3500米以上,包括西藏和青海的全部、四川西部、新疆南部及甘肃、云南的一部分。高原周围大山环绕,南有喜马拉雅山,北有阿尔金山、昆仑山和祁连山,西为喀喇昆仑山,东为横断山脉。高原内还有唐古拉山、冈底斯山、念青唐古拉山等。这些山脉大多 The Qinghai-Tibet Plateau is the tallest plateau in the world and is known as the “roof of the world.” The Qinghai-Tibet Plateau covers an area of ​​2.4 million square kilometers and is mostly above 3500 meters above sea level, including all of Tibet and Qinghai, western Sichuan, southern Xinjiang, part of Yunnan and Gansu. Around the plateau surrounded by mountains, south of the Himalayas, the North Altun, Kunlun Mountains and the Qilian Mountains, west of the Karakorum Mountains, east of the Hengduan Mountains. Plateau also Tanggula, Gangdise Hill, Nyainqentanglha and so on. Most of these mountains