Traditional method to make vinegar in Chishui, SW China

Aerial photo taken on Nov. 11, 2019 shows workers checking jars at a vinegar plant in Chishui, southwest China's Guizhou Province. 

A worker packs vinegar products at a vinegar plant in Chishui, southwest China's Guizhou Province, Nov. 11, 2019. ​

A worker stirs raw materials to make vinegar at a vinegar plant in Chishui, southwest China's Guizhou Province, Nov. 11, 2019. ​

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