Roundish features in the center of the Imhotep region. Upper panel: examples of roundish features: (A) with a rim and a depression on top, (B) with a rim and a fine-material mesa on top, sometimes bulging and (C) multiple roundish features that are nested in or are vertically stacked on top of each other, and (D) roundish feature covered by fine material. This image was acquired with the NAC camera on 16 Sept. 2014 from a distance of 28 km. The spatial resolution is 50 cm/pix. (NAC_2014-09-16T01.17.56.) Lower panel: anaglyph of the roundish feature area from two NAC images acquired on 22 Nov. 2014 from a distance of 31 km. The spatial resolution is 56 cm/pix. (NAC_2014-11-22T06.52.)