By the 22nd century, a handful of human settlements are still active on Mars although plans to terraform or mine the Red Planet have been abandoned in favor of more promising alternatives. In 2112 A.D., a scientist made an astonishing discovery while returning from a routine mission near Base Five in the Arcadia Quadrangle. This 7000px by 5000px (72 ppi) piece is the fifth in the Future Worlds series.