The stream flows quietly across the grassland in Nagqu, Xizang. In the embrace of the water and the greenness, Yugu, a 63-year-old inheritor of the eagle-bone-made flute tradition, an intangible cultural heritage recognized at the Xizang Autonomous Region level, is playing the flute that has been passed down through three generations. He is performing a melody familiar to many Chinese people young and old—“On the Golden Mountain of Beijing”. With the sound of flowing water, this natural music resonating on the Changtang Grassland, continues to show its charm and is believed to be transmitted from generation to generation.