This image captured by NASA 2001 Mars Odyssey spacecraft shows the layering of the South Polar cap of Mars. The image is located at the margin between the cap ice and the surrounding plains (bottom of image).
Orbit Number: 66924 Latitude: -79.7235 Longitude: 100.914 Instrument: VIS Captured: 2017-01-14 10:14
http://photojournal.jpl.nasa.gov/catalog/PIA21325