[empire]

one thing is for sure, if their are any ancient civilization buildings on mars, what did this alien civilization look like, how advance where they, where they wiped out by war or by natural disasters, mars looks like it is going through a long nuclear winter, by a weapen that is more powerful than the a-bomb we use here on earth, nasa also found that the planet is covered in mass of unknown radiation, if they found water, then there must of been a large ocean on the planet,