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A worker shows the newly-made vinegar at a vinegar plant in Chishui, southwest China's Guizhou Province, Nov. 18, 2018. Chishui maintained a traditional method to make vinegar with over 30 process steps.(Xinhua/Wang Changyu)
A worker shows the newly-made vinegar at a vinegar plant in Chishui, southwest China's Guizhou Province, Nov. 18, 2018. Chishui maintained a traditional method to make vinegar with over 30 process steps.(Xinhua/Wang Changyu)