
Visitors taste the vegetables during the 16th China Changchun International Agriculture and Foodstuffs Exposition (Trade Fair) in Changchun, northeast China's Jilin Province, Aug. 11, 2017. (Xinhua/Zhang Nan)

Visitors taste the vegetables during the 16th China Changchun International Agriculture and Foodstuffs Exposition (Trade Fair) in Changchun, northeast China's Jilin Province, Aug. 11, 2017. (Xinhua/Zhang Nan)