Terraced rice paddies cover the mountainsides of Yuanyang County, China. Cultivated by the Hani people for the last 1,300 years, the slopeof the terraces varies from 15 to 75 degrees, with some having as many as 3,000 steps. Approximately 4 square kilometres (1·5 square miles) of paddies are seen here surrounding the small village of Tuguozhai. Photographed at an altitude of 600 km from outer space by Digital Globe.
Artwork from the Exhibition "The Overview Effecct" by Uponwalls & Benjamin Grant, NYC