the sandstone and andesite stones at pumapunku would have been easily worked with the most basic stone working tools the idea that diving trip power saws were needed is ridiculous the red sandstone was relatively soft an easy to work with and even though in the site is pretty hard because of the way it cooled it could be easily be flaked off using stones as soft as five point five in the most gail such counting stones were found all over the into site quarries in the area contrary to ancient aliens claims that archaeologists are baffled by poem approval archaeologists know the basics about how come upon crew stones or cut and shaped this is partly because there's evidence for this all over the site itself they actually used a method of almost all ancient stone workers used the used hard pounding stones to pound out trough like depression