7sigma RainGarden64.JPG|The sunken curb holds the edge of the asphalt pavement and lets water freely flow to the rain garden beside the 7sigma parking lot in Minneapolis, MN (USA)<br>[[Acknowledgements| Photo credit: BrianAsh]]
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7sigma RainGarden64.JPG|The sunken curb holds the edge of the asphalt pavement and lets water freely flow to the rain garden beside the 7sigma parking lot in Minneapolis, MN (USA)<br>Photo credit:[[Acknowledgements|BrianAsh]]