Southern Crater Dunes (IR - Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunar Explorer Italia)

Caption NASA:"Many craters around the South Polar Cap contain Dunefields on their Floors. This is one example of such a crater. This image was taken with the THEMIS InfraRed Camera and shows the warm daytime temperature of the dunes compared to the surrounding materials".