Archaeologists have unearthed a cave in the northern province of Tuyen Quang that may have housed primitive people dating back six or seven thousand years ago.
Quan Van Dung, Director of Tuyen Quang Museum said experts from the museum and the Vietnam Archaeology Institute have discovered traces of primitive residents all over Tham Van Cave .
The experts discovered two layers of two distinct cultures in the cave, which probably never interacted.
The early culture is evidenced by working tools made from stones shaped by riverbeds while the later culture (approx. 3,500-4,000 years old) left more sophsiticated tools and simple pottery items.
Experts also found signs of their diet in a large heap of animal teeth and shells.
Signs of burns and cuts on the bones suggested that these people had learned to cut the animal into pieces and grill it.
Traces of ovens are testified to by ash piles that go down more than 10 centimeters in places.
In an earlier discover, archeologists found signs that Tham Choong Cave in Tuyen Quang had housed primitive people 7,000-8,000 years ago.