We martians had it all figured,
                    a series of canals
                    traversing the whole planet.
                    A way to move produce
                    & also store energy.
                    Then the nosy earthlings
                    with their accurate telescopes indulged,
                    so everything went underground
                    like veins in all directions.
                    The planet surface
                    still needed to appear uninhabitable,
                    all done with cosmic mirrors
                    & a bunch of desolate looking
                    desert billboards. Purchased
                    wholesale & in bulk by one of
                    our more astral agents in Arizona.