| 摘要 |
PURPOSE: A simple garden for reducing water pollution and forming beautiful landscape is provided to block the pollution of rainwater on the surface of ground and to prevent the polluted rainfall from being flown directly into a river. CONSTITUTION: A simple garden for improving water pollution and forming beautiful landscape comprises a well storing the rainfall temporally; a purification layer which forms the bottom surface of the well and purifies the collected rainwater; a planting soil layer laminated on the purification layer; and a root cover layer laminated on the planting soil layer, wherein a rainfall channel(14) connected to the well is formed at the roof of building or the impermeable ground surface, and the rainwater collected in the well is purified by the plant and the purification layer and is absorbed into the ground.
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