Mars Reconnaissance Orbiter ... and"The Lost Cities of Barsoom" .... by Richard C. Hoaglandupdated 4/7/06The Enterprise MissionAnother close-up from the same MRO mosaic (rotated 50 degrees, clockwise -- below) demonstrates that not all "quasi-circular features" on Mars are simple "impact craters." This remarkably preserved example exhibits organized, interior geometric detail characteristic of a massive, designed building ... surrounded by six, geometrically aligned, surviving elevated "walls" -- minus a possible roof! The massive former structure is attended by an array of additional, still partially-buried rectilinear features just outside. NOT A PING LIST, merely posted to: