A salt-making field, dating back about 2,000 years of ancient Sa Huynh people, has been discovered in Duc Pho commune, the central province of Quang Ngai, according to Deputy Director of the Quang Ngai General Museum Doan Ngoc Khoi. The field has an area of about 10 ha in Co hamlet, Long Thanh 2 commune, Pho Thanh ward, Duc Pho township, 800m from the ancient Sa Huynh people's residence and 500m from their burial place. The ancient Sa Huynh people used flat, hard rock foundations and seawater to make their salt for daily life.Source: Vietnam News Agency