CHANGCHUN, Aug. 5 (Xinhua) -- On a sweltering July afternoon in Changchun, the capital of Jilin Province -- one of China's agricultural heartlands, a quiet revolution was unfolding, reshaping the age-old image of Chinese farmers toiling under the scorching sun.
Across the expansive plain, verdant corn fields stretched to the horizon, with tassels signaling the time for field management. Yet, not a single farmer