Photo shows salt stalactites formed by trickling brines in Mangkam County, southwest China's Tibet Autonomous Region, May 22, 2019. An ancient technique of salt production since Tang Dynasty (618-907) is well-preserved in Mangkam County. Local people follow a salt harvesting method by collecting brines from salt mines and ponds and evaporating them in the sun until crystallization. (Xinhua/Li Xin)
Ancient technique of salt production well-preserved in Mangkam County, China's Tibet
Source: Xinhua| 2019-05-23 22:11:37|Editor: ZX
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