5. Ondol heating program: The Ondol heating system, which includes heating stone slabs under the floor with hearth, is a standard function in classic Korean architecture together with Individuals found on Jeju Island. Quite a few buildings on the Folks Village also use this method for heating throughout cold winters. https://gunner5my8f.theideasblog.com/31826624/an-unbiased-view-of-jeju-culture