Photo taken on Nov. 2, 2021 shows staff members taking care of “balcony vegetables” in a smart greenhouse in Hounanbao Village, Guangping Couty of Handan City, north China’s Hebei Province. Recently, Guangping County increased planting of 30 “balcony vegetables” including endives, celeries, and pseudo-ginseng. These vegetables are typically sold online for 30-50 yuan per pot, with annual sales reaching 250,000 pots. (Cheng Xuehu/Guangming Picture)

Photo taken on Nov. 2, 2021 shows staff members taking care of “balcony vegetables” in a smart greenhouse in Hounanbao Village, Guangping Couty of Handan City, north China’s Hebei Province. Recently, Guangping County increased planting of 30 “balcony vegetables” including endives, celeries, and pseudo-ginseng. These vegetables are typically sold online for 30-50 yuan per pot, with annual sales reaching 250,000 pots. (Cheng Xuehu/Guangming Picture)

Photo taken on Nov. 2, 2021 shows staff members presenting“balcony vegetables”that are about to go on sale in Hounanbao Village, Guangping Couty of Handan City, north China’s Hebei Province. Recently, Guangping County increased planting of 30 “balcony vegetables” including endives, celeries, and pseudo-ginseng. These vegetables are typically sold online for 30-50 yuan per pot, with annual sales reaching 250,000 pots. (Cheng Xuehu/Guangming Picture)

来源：GMW.cn