Title: The monuments of Mars
First published: 1987
Subjects: Surface, Life on other planets, Science: General Issues, Controversial Knowledge, Science, Science/Mathematics, Mars (Planet), Astronomy - Solar System, Body, Mind & Spirit / Unexplained Phenomena, Astrophysics & Space Science, Astronomy - General, Cosmology, Cydonia (Mars), Mars (planet), United states, national aeronautics and space administration
Places: Mars (Planet), Cydonia (Mars)