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Record 136 · Video · 2026
Sunken Greenhouse 7 - Rainwater Harvesting, cooling tunnel
homesteadonomics
“Sunken greenhouse series installment on rainwater harvesting and cooling tunnel.”
Sunken greenhouse series installment on rainwater harvesting and cooling tunnel. oEmbed-verified exact title: Sunken Greenhouse 7 - Rainwater Harvesting, cooling tunnel Channel: homesteadonomics Title indicates walipini / underground / sunken / earth-sheltered / deep-winter / Chinese passive solar / geothermal greenhouse content.
Evidence tier: video. YouTube video — builder experience, news segment, or educational talk; not peer-reviewed research unless presenting extension research.
video|candidate
- oEmbed-verified exact title: Sunken Greenhouse 7 - Rainwater Harvesting, cool…
- Channel: homesteadonomics
- Title indicates walipini / underground / sunken / earth-sheltered / deep-wint…
oEmbed-verified exact title: Sunken Greenhouse 7 - Rainwater Harvesting, cooling tunnel
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Sunken Greenhouse Part 4: Entry steps and Retaining walls26.140.A · homesteadonomics