Why do we rely on legends for civilization of Huango He Valley?

Legends of the Huango He Valley, often intertwined with historical narratives, provide valuable insights into the cultural identity, beliefs, and practices of ancient Chinese civilizations. These stories help fill gaps in the archaeological record, offering explanations for the origins of societal structures and agricultural practices. Additionally, they serve as a means of preserving collective memory and imparting moral lessons, reflecting the values and aspirations of the people of that era. Thus, legends play a crucial role in understanding the historical context and societal evolution of the Huango He Valley civilization.