a shallow recirculating fountain – An Element of Modern Garden Design by architectum, via Flickr Interior Design, Water Fountain, The Ponds, Water Gardens, Gardens Design Ideas, Water Features, Modern Gardens Design, Fountain Ideas, Modern Garden Design
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Raised beds, collecting rainwater as well. - perhaps tiered beds can have a French drain at the end that catches excess water run off from the rain. It would be a larger area to collect rain water and would only be extra If the other plants were all watered.