Uh, but that's the Viking low-res image. The MGS image (or the supposed
MGS image) of one of the pyramids on Hoagland's site is at:
http://www.enterprisemission.com/images/mars/pyr-comp.jpg
And it's just a rock. A mildly strangely-shaped rock perhaps, but a
rock nonetheless. There is no evidence whatsoever that anything so far
seen is not a natural formation.
Mark