The Permaculture Show - Season 1 Episode 12 第 12 集
...a continuation of the Trees episode. Potable water - where does it come from? How did it get there? What has become of it? What we can do to ensure that we will have safe water to drink, and to conserve as much of this precious material as possible.
- 类型: Documentary
- 工作室:
- 关键词: farming, permaculture
- 投: Bill Mollison
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