Nearly 200 prehistoric relics found in Bắc Kạn stockbot 0 126 2023.07.28 17:09 https://vietnamnews.vn/society/1551750/nearly-200-prehistoric-relics-f… + 1 https://vietnamnews.vn/rss/society.rss + 4 The presence of many stones, raw pebbles, stones with burrs, and scraps, proves that the tool processing was carried out on-site.