People visit the fourth Shanxi (Yuncheng) International Fruit Trade Expo in Yuncheng, north China's Shanxi Province, Oct. 21, 2019. Opening Monday in Yuncheng, the trade expo attracts visitors with some 850 types of fruit, dried or fresh, as well as processed fruit products. (Xinhua/Yang Chenguang)

People visit the fourth Shanxi (Yuncheng) International Fruit Trade Expo in Yuncheng, north China's Shanxi Province, Oct. 21, 2019. Opening Monday in Yuncheng, the trade expo attracts visitors with some 850 types of fruit, dried or fresh, as well as processed fruit products. (Xinhua/Yang Chenguang)

People visit the fourth Shanxi (Yuncheng) International Fruit Trade Expo in Yuncheng, north China's Shanxi Province, Oct. 21, 2019. Opening Monday in Yuncheng, the trade expo attracts visitors with some 850 types of fruit, dried or fresh, as well as processed fruit products. (Xinhua/Yang Chenguang)

People visit the fourth Shanxi (Yuncheng) International Fruit Trade Expo in Yuncheng, north China's Shanxi Province, Oct. 21, 2019. Opening Monday in Yuncheng, the trade expo attracts visitors with some 850 types of fruit, dried or fresh, as well as processed fruit products. (Xinhua/Yang Chenguang)