Archaeology
Early Neolithic: Xinlongwa culture
Middle Neolithic: Hongshan culture; sudden collapse ~5,000 BP due to drier, cooler climate causing crop failures
Main crop: broomcorn millet
Animals: locally domesticated pigs
Early Neolithic: Xinlongwa culture
Middle Neolithic: Hongshan culture; sudden collapse ~5,000 BP due to drier, cooler climate causing crop failures
Main crop: broomcorn millet
Animals: locally domesticated pigs