Researchers have found archaeological evidence that
early people in the northern mountainous regions of Cao Bang Province
were in contact with people in the coastal region, according to a source
from the Viet Nam Archaeological Institute.
Archaeologists from the Viet Nam Archaeological
Institute and Tuyen Quang Museum unearthed several relics in Son Duong
district of Tuyen Quang province in an excavation early this year, said
Ly Manh Thang, deputy director of the provincial museum.
Traces of prehistoric man have been found at the Na Mo Cave in the northern province of Bac Kan. Members
of the Viet Nam Archaeological Institute and the Bac Kan Museum have
been excavating the area for possible prehistoric remains since early
June.