Testing the sands of Hidden Valley. In the foreground lie small-scale patterns among the sand ripples. These may be wholly natural — or caused by wind around the rover, as wheel tracks show Curiosity has already stood over them before rolling back.
NASA description: This image was taken by Front Hazcam: Right B (FHAZ_RIGHT_B) onboard NASA’s Mars rover Curiosity on Sol 706 (2014-08-01 13:57:39 UTC).
Sol 706 raw images (from all cameras), and Curiosity’s latest location map.