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Five rock hoes dating between the Neolithic Era and Early metal age 3,500-4,000 years ago, were discovered in Yen Minh district, Ha Giang province, early in September, according to the Dong Van Karst Plateau Global Geopark management board.
The quadrilateral hoes made of rhyolite rock measure 18 centimetres long, 7 centimetres wide and 2.5 centimetres thick.
According to researchers from the Vietnam Archeology Institute, the discovery of the relics shows that people during that time used hoes in their agricultural activities. It is presumed that this set of working tools was used for farming fields in mountainous areas.
The find, along with other stone tools and relics found in Dong Nguyet cave and Sinh Ho spring, affirms the richness of the cultural heritage in the Dong Van Karst plateau.
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