Unnamed Southern Crater with Gullies, Rolling Boulders and Dunes (CTX Frame - Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)

Caption NASA:"Although this image was primarily taken to study the Gullies in the Inner Walls of the Crater, it also reveals a few other interesting things.
Near the Gullies in the Northern Wall of the Crater, for instance, some Boulders have bounced down the Slope, leaving trails of Hollows along their paths (see EDM n. 1).