Five. Ondol heating system: The Ondol heating method, which requires heating stone slabs underneath the ground with fireplace, is a standard feature in conventional Korean architecture which includes All those observed on Jeju Island. Lots of properties at the Folk Village also use this technique for heating during chilly winters. https://keegan8pb9h.develop-blog.com/37924333/5-easy-facts-about-jeju-culture-described