On October 27, 2021, at the Indagra Agricultural Fair in Bucharest, Romania, a tourist walks past a bale of hay. Indagra Agricultural Expo is an international exhibition of equipment and products for agriculture, animal husbandry, food industry and gardening, on Wednesday. (Photo: Xinhua News Agency)

Vegetables will be on display at the Indagra Agricultural Expo in Bucharest, Romania on October 27, 2021. Indagra Agricultural Expo is an international exhibition of agricultural, animal husbandry, food industry and gardening equipment and products that opened here on Wednesday. (Photo: Xinhua News Agency)

An exhibitor waits for visitors at the Indagra Agricultural Expo in Bucharest, Romania on October 27, 2021. Indagra Agricultural Expo is an international exhibition of agricultural, animal husbandry, food industry and gardening equipment and products that opened here on Wednesday. (Photo: Xinhua News Agency)

On October 27, 2021, people visit the Indagra Agricultural Fair in Bucharest, Romania. Indagra Agricultural Fair is an international exhibition of agricultural, animal husbandry, food industry and gardening equipment and products, which kicked off here on Wednesday. (Photo: Xinhua News Agency)