Six tombs of primitive people dating back over 6,000 years have been discovered in Na Mo cave, Huong Ne commune, Ngan Son district, the northern mountainous province of Bac Kan.

According to Asso. Prof. Dr. Trinh Nang Chung from the Institute of Archaeology, Na Mo cave used to be home to many generations of primitive men with the earliest ones belonging to the Hoang Binh-Bac Son culture some 6,000-7,000 years ago.

During the excavation, archaeologists also unearthed hundreds of artifacts, mostly made-of-stone objects.
The new discovery is expected to contributed to the research of primitive people in Bac Kan and Vietnam in general.-VNA