People visit a farmland products fair in Guiyang, capital of southwest China's Guizhou Province, Aug. 9, 2018. The five-day fair kicked off on Thursday. (Photos: Xinhua)

A visitor views displayed fungus during a farmland products fair in Guiyang, capital of southwest China's Guizhou Province, Aug. 9, 2018. The five-day fair kicked off on Thursday. 

Exhibitors arrange products at a farmland products fair in Guiyang, capital of southwest China's Guizhou Province, Aug. 9, 2018. The five-day fair kicked off on Thursday. 

People visit a farmland products fair in Guiyang, capital of southwest China's Guizhou Province, Aug. 9, 2018. The five-day fair kicked off on Thursday.