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→Cultural Diversity
==Cultural Diversity==
Societies in east Asia, particularly China, Korea, and Japan, developed a floor-based culture for many activities, including eating and sleeping. One main reason has to do with cooling and heating for different months. Heating, for instance, was done underneath floors, which meant that sleeping on the floor more directly, with only a thin mattress, would be more practical, as it greater heat would be felt.
==Modern Development==
