Farmer Zhang Zhaoke works in a hydroponic farming greenhouse in Xingtai, north China's Hebei Province, Feb. 12, 2022. In 2020, Zhang invested in a hydroponic farming business which produces greenhouse vegetables.(Photo: Xinhua)
Farmer Zhang Zhaoke works in a hydroponic farming greenhouse in Xingtai, north China's Hebei Province, Feb. 12, 2022. In 2020, Zhang invested in a hydroponic farming business which produces greenhouse vegetables.(Photo: Xinhua)
Farmer Zhang Zhaoke works in a hydroponic farming greenhouse in Xingtai, north China's Hebei Province, Feb. 12, 2022. In 2020, Zhang invested in a hydroponic farming business which produces greenhouse vegetables.(Photo: Xinhua)
Farmer Zhang Zhaoke works in a hydroponic farming greenhouse in Xingtai, north China's Hebei Province, Feb. 12, 2022. In 2020, Zhang invested in a hydroponic farming business which produces greenhouse vegetables.(Photo: Xinhua)