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submitted 1 day ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 1 day ago (3 children)

Why not just use a water reservoir which will also fill with water when it rains.

[–] [email protected] 2 points 1 day ago

A Swiss company is trying this, though using concrete instead of water. Wear and tear and moving parts are disadvantages though.

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