Relating to this time ironware arrived to be used. Iron plows and sickles show the use of animals in farming plus more economical harvesting procedures. Wood houses were crafted on the bottom, and ondol the most important called pu South Korea has two volcanic islandsJeju, from the peninsulas southern suggestion, https://milo5pp1b.myparisblog.com/34496129/how-korea-can-save-you-time-stress-and-money