Before that, no plumbing. Clean water come from? Who can answer some mention. Well, the answer is a little lift "rainwater" I know
some people would forget. Or the younger generation may not know. After the government announced that Rain water can not be consumed anymore (not clean enough) to use rain water for use in everyday life is diminished. Initially, people used to collect rainwater, however. I could do it answered 555 questions out this simple solution
, see Fig.
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