Aerial photo shows unmanned ploughing machines working in a field of the Datian rural cooperative in Jiangxiang Town, Nanchang County of east China's Jiangxi Province, March 8, 2022. In the spring farming season, managers of Datian rural cooperative has carried out a smart farming program with the application of various unmanned devices, which has greatly improved the efficiency of agricultural production. By taking advantage of large-scale operation, mechanized production and digital management, only 26 people can govern the farms with a total area of 13,000 mu (about 866.7 hectares). [Photo by Peng Zhaozhi/Xinhua]