Who were the yongshao and longshan people?

The Yangshao and Longshan cultures were two important prehistoric cultures in ancient China. The Yangshao culture, which emerged around 5000-3000 BCE, is known for its painted pottery, agriculture, and early settlements along the Yellow River. In contrast, the Longshan culture, which developed around 3000-1900 BCE, is characterized by sophisticated black pottery, urbanization, and advancements in Metallurgy. Both cultures contributed significantly to the foundations of Chinese civilization, influencing later dynasties.