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A farmer harvests salt in Ninh Binh province. VNA Photo: Thùy Dung
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The process involves feeding sand into the filtration system to obtain brine with a higher salinity. VNA Photo: Thùy Dung
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The white, uniform, and firm grains of salt from Hai Tien commune, Ninh Binh province, are highly valued in the market. VNA Photo: Thùy Dung
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A farmer harvests salt in Ninh Binh province. VNA Photo: Thùy Dung
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The white, uniform, and firm grains of salt from Hai Tien commune, Ninh Binh province, are highly valued in the market. VNA Photo: Thùy Dung
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Gathering sand to make salt. VNA Photo: Thùy Dung
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Salt farmers in Ninh Binh province during salt harvest season. VNA Photo: Thùy Dung