一、巢居 ——一種原始的居住形式
Nest Dwelling — A Living Style in Ancient Times
巢居是指上古時期,居住在地勢低洼、潮濕地區的原始人類為躲避蛇、蟲、野獸的侵襲,在樹木上用樹枝搭架而成的居所,因其形狀類似于鳥巢,故名巢居。
原始的巢居是在單株大樹上架巢,即在分枝開闊的樹杈間鋪設枝干莖葉,構成居住面,其上再將枝干相交構成避雨的棚架。后來發展為在相鄰的多棵樹上架巢,到新石器時代中期演變為干欄式建筑。
In ancient times, primitive humans living in low-lying and humid areas invented the nest dwelling to protect themselves from the invasion of snakes, insects and beasts. They used branches to build rooms on trees, just like the way birds build nests, hence the name.
The original form of the nest dwelling can be presumed to be a nest on a single tree: laying small branches, stems and leaves among branches to form a living platform, and then crossing branches above to form a shelter. Later it developed into nesting on many adjacent trees, and in the middle of the Neolithic Age, it evolved into the wooden stilt style building.

巢居模型
Model of Nest Dwelling