This picture taken on September 16, 2015 shows farmland after harvesting in Chongqing. Agriculture is a vital industry in China, employing over 300 million farmers as China ranks first in worldwide farm output, primarily producing rice, wheat, potatoes, tomatoes, sorghum, peanuts, tea, millet, barley, cotton, oilseed and soybeans. CHINA OUT    AFP PHOTO        (Photo credit should read STR/AFP via Getty Images)