After a July thunderstorm rolls through south Metro Atlanta, there is a small pile of something at the mouth of most downspouts. It looks like coarse black sand. Most people rinse it off the driveway without a second thought. That ...
After a July thunderstorm rolls through south Metro Atlanta, there is a small pile of something at the mouth of most downspouts. It looks like coarse black sand. Most people rinse it off the driveway without a second thought. That ...