The Rainwater Citizens' Association conducts various activities under the slogan: "Let it flow, and it causes floods; store it, and it becomes a resource!" Since the fiscal year before last, with the cooperation of the Foundation of River & Basin Integrated Communications (FRICS)—and utilizing technical expertise from the Foundation and others—we have been installing water-level sensors on rainwat
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| Address | https://www.skywater.jp/aboutus |
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| office@skywater.jp | |
| URL | https://www.skywater.jp |