A staff member works at a greenhouse in Wangha operation area of Hongqi Farm, northeast China's Heilongjiang Province, March 5, 2021. With the help of technologies, agricultural production is still carried out efficiently in the low temperature environment of Heilongjiang Province. Photo: Xinhua
A staff member shows newly-harvested vegetable at a smart greenhouse of Beidahuang Land Reclamation and Cultivation Enterprise group in northeast China's Heilongjiang Province, March 5, 2021. With the help of technologies, agricultural production is still carried out efficiently in the low temperature environment of Heilongjiang Province. Photo: Xinhua
Staff members maintain equipment at a smart greenhouse of Beidahuang Land Reclamation and Cultivation Enterprise group in northeast China's Heilongjiang Province, March 5, 2021. With the help of technologies, agricultural production is still carried out efficiently in the low temperature environment of Heilongjiang Province. Photo: Xinhua
A staff member works at a greenhouse in the agricultural area of Hongqi Farm, northeast China's Heilongjiang Province, March 1, 2021. With the help of technologies, agricultural production is still carried out efficiently in the low temperature environment of Heilongjiang Province. Photo: Xinhua