Traditional agriculture, practiced over millennia, can achieve remarkable changes to the surface of the Earth. This set of small fields is located about 80 km NW of Beijing, on a hillside. The nearby plains are filled with larger fields characteristic of modern methods.
Picture taken April 2, 2008. The Google satellite image appears to have been taken at about the same time of year as my photograph; I have rotated the top Google image 180° to make it easier to compare to the photo; note that the google image includes a scale marker.