西藏自治区地跨我国西南、西北两大地区,与南亚大陆5国相邻,是我国西南边境的天然屏障,加上特殊的历史背景,在国家安全、社会稳定中具有十分重要的战略地位。由于西藏山高路险、地广人稀、高寒缺氧、气候恶劣,被称为“生命的禁区”。 The Tibet Autonomous Region, which crosses the southwestern and northwestern regions of our country and is adjacent to the five countries of South Asia mainland, is a natural barrier to the southwestern border of our country. With its special historical background, the Tibet Autonomous Region has a very important strategic position in national security and social stability. Due to the Tibetan mountain road insurance, sparsely populated, alpine hypoxia, bad weather, known as “the restricted area of ​​life.”