How exactly do the people survive the multi-year winters as far as feeding themselves? You can't grow crops in winter. Nor can you feed your livestock off what grows. But ordinarily you can't save food for people or animals for multi-year periods, because it will spoil. Do they have some extra-advanced refrigeration technology allowing them to store grains, animal feed etc. for many years? In addition, since you can't predict how long the winter will be, you don't know how much to stockpile; and the summer may be significantly shorter than winter, so you either have to front-load all your stockpiling on the first couple of years, or starve in case the winter is much longer than summer. Answer First off... an unusually long winter is its own refrigeration. You don't need the Frigidaire when it's -10F outside. (Of course, waiting for it to come, things would spoil.) I'm only a lowly agriculture student and hardly an expert, but even today with mechanized agr...