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横断山脉地区在地形上属横断山系的高山峡谷地区,岷江、大渡河、雅砻江、金沙江、澜沧江、怒江六条大江分别自南向北从这里穿流而过,它们犹如一把把利剑,在峰峦叠嶂的高山峻岭之中开辟出了一条条南北走向的天然通道。这些南北走向的天然河谷通道,自古以来就成为众多民族或族群南来北往、频繁迁徙流动的路线,因此这一地区也成为了中国历史上北方民族与南方民族之间进行沟通和交流的最重要的通道。
Hengduan Mountains in the terrain belongs to the Hengduan Mountains in the alpine gorge area, the Minjiang River, Dadu River, Yalong River, Jinsha River, Lancang River, Nu River, respectively, from the north to the north through the river flow through six, they are like a sword , In the mountainous peaks and crests among the mountains opened up a natural north-south channel. These ancient natural valleys that run north and south have become the routes that migrate south and north frequently and migrate frequently since ancient times. Therefore, this area has also become the most important place for communication and exchange between the northern and southern peoples in Chinese history Important passage.