峡谷民族──中国傈僳族的乐舞文化文桑德诺瓦发源于青藏高原的怒江，在向南流经云南省后改称萨尔温江，贯穿缅甸全境，并注入印度洋。怒江全长约３２００公里，在云南境内，怒江宛若一条翠绿的缎带，穿过海拔４０００米的碧罗雪山和５０００米的高黎贡山，并以江面至山颠... Canyon Nationalities - The Lisu Culture and Culture of the Lisu People in China Originally originating from the Nu River on the Tibetan Plateau, Sandunvar was renamed the Salween River after flowing southward through Yunnan Province, penetrating the entire territory of Myanmar and injecting it into the Indian Ocean. The Nu River is about 3200 kilometers in length. In the territory of Yunnan, the Nu River is like a green ribbon that crosses the 4,600-meter elevation of Mount Bailuo and the 5,000-meter Gaoligong Mountain.