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In the hot tropical climate of Africa where humans originated, there was little need for permanent shelter.
The dense canopy of trees or rock ledges could protect people from periodic stormy weather. Later, in colder climates, caves provided warmth and protection against predatory animals for our early ancestors.
Over time, humans have developed a wide variety of shelters-from collapsable tents to motorized mobile homes, from simple sod huts to elaborate castles, from dwellings their house a single family to long houses that shelter an entire clan or section of a tribe.
The wide array of shelters found throughout the world reflects the climate and physical environment in which people live, the level of technology available, and their economic status.
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