Group 1 - The article discusses the discovery of an eagle-patterned bone tube from the Kayao culture, dating back 3600 to 2600 years ago, found in the Qinghai province [5][24]. - The bone tube is made from animal limb bones, featuring a smooth surface and engraved with seven flying eagles, highlighting the craftsmanship and cultural significance of the Kayao people [7][9]. - Eagles were a common bird of prey in the Tibetan Plateau, symbolizing strength and wisdom, and were revered by the ancient inhabitants of Qinghai, often depicted in various artifacts from the same era [12][24]. Group 2 - The exact purpose of the eagle-patterned bone tube remains uncertain; it may have been a semi-finished product for making bone flutes or a storage container for bone needles, reflecting the advanced processing techniques of the Kayao culture [14][18][21]. - The Kayao culture is considered a significant archaeological site linked to the ancient Qiang people, with over 1700 discovered sites, showcasing a transition in material culture from pottery to wooden and bronze artifacts [24][25]. - The findings from the Kayao culture provide valuable insights into the economic and cultural practices of ancient Qinghai, contributing to the understanding of Chinese cultural origins [24][25].