The picture, taken on July 28, shows an unmanned aerial vehicle spraying pesticides to farmland with an area of 2,000 mu (1 mu = 0.06667 hectares) in Hongshan Sub-district in Xinwu District. In addition to saving time and effort, the application of unmanned aerial vehicle can realize more uniform spraying and better control efficiency than traditional ways, so as to effectively improve spraying efficiency and pest control effects. (Photo/Wuxi Daily)