Architects: Hassell Location: Adelaide, South Australia, Australia Project Team: Mariano DeDuonni, Timothy Horton, Sharon Mackay, Alex Hall, Nicholas. … planted with native plants which capture rainwater runoff from paved surfaces, naturally filtering the rainwater before it is stored in the underground tank. The biofiltration garden bed uses a combination of sand and gravel layers and the plant’s root systems to filter the water as it soaks down through the soil. …


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