The traditional Korean house is heated by warm air or warm water which passes through hollow spaces or pipes under the floor. There's nothing better than coming home to a warm floor on a cold day. That's one of the reasons Koreans don't wear shoes in the house. In prehistoric times, people in the northern part of Korea lived in pit dwellings with straw roofs. In the south, they lived in houses built on stilts. These early people's lives centered around a stone fire pit. Their houses faced southeast to catch the sun and block the cold winds. I ....