Today's VIS image shows a small part of the south polar cap. The layering of the cap is easy to see. The layers record the seasonal deposition of dust and ice over the course of 1000's of years. This image was taken during summer at the pole. Orbit Number: 74904 Latitude: -85.4168 Longitude: 184.015 Instrument: VIS Captured: 2018-11-02 20:21 https://photojournal.jpl.nasa.gov/catalog/PIA22990