prehistoric tombs

The Unesco Scientific, Educational and Cultural Organization has recognized Korea's Gochang, Hwasun and Ganghwa dolmens as a World Cultural Heritage in 2000.

The treasure revealed in prehistoric tombs in Bulgaria is the first evidence of social stratification, but no one knows what causes the civilization to decline.

Archaeologists found fossil skeletons of 27 massacred hunter-gatherers 10,000 years ago in Nataruk, near Lake Turkana, Kenya.

Mr. Ly Manh Thang, Deputy Director of Tuyen Quang Provincial Museum, said: Archaeological delegation of Vietnam Institute of Archeology and Tuyen Quang Provincial Museum have just