do it is underground. we are in a lather due, formed when hot lover nodded its way through the surface, leaving behind a riff of calling rock and an empty space after the lava rolled down the hill. instead of having to drill out underground shelters, lunar and martian lava tubes would create ready made protection for the hazards above. we ready-made protection for the hazards above. ready-made protection for the hazards above. we know without any question hazards above. we know without any question that hazards above. we know without any question that there - hazards above. we know without any question that there was - any question that there was volcanism on the surface of mars. the largest volcano in our solar system exists at olympus mons, eva so high that the peak pierces through the atmosphere of mars. in the whole area of the basin around the volcano of olympus mons, it