Emergence of scattered depressions (indicated by the red arrow) over the dune-like dust deposits located in Ma’at close to the border with Hatmehit. The earlier image was taken on November 13, 2014, at the phase angle of 46◦ with the pixel resolution of 0.31 m (a); the later image was from March 28, 2015, taken at the phase angle of 68◦ with the pixel resolution of 0.5 m (b) (Table A.1).