A man sprays water on sweet potatoes used as seeds at a greenhouse in Xinhu village of Donghuangtuo town in Luannan county, North China’s Hebei province, April 5, 2019. Luannan county has been committed to developing facility agriculture to boost farmers’ income. So far, the county has a planting area of about 200,000 mu (about 13,333 hectares), generating a total value of over 3 billion yuan (about $446 million) a year. [Photo/Xinhua]
A man takes care of grapes at a greenhouse in Heshangtuo village of Angezhuang town in Luannan county, North China’s Hebei province, April 5, 2019. [Photo/Xinhua]
Workers take care of flowers at a greenhouse in Beitao village of Songdaokou town in Luannan county, North China’s Hebei province, April 5, 2019. [Photo/Xinhua]
A woman harvests tomatoes at a greenhouse in Tiejiangzhuang village of Angezhuang town in Luannan county, North China’s Hebei province, April 5, 2019. [Photo/Xinhua]
