This suggests that urban run - off and the below - surface movement of water could be important contributors to the flow of drugs into streams. (sciencedaily.com)
Their seamless patterns turn walls into a canvas of texture and give otherwise flat surfaces some movement. (tiles-direct.com)
These precursory surface movements covered a much larger area — about 1,640 by 1,640 feet, (500 by 500 meters)-- than that of the initial sinkhole, which measured about 2 acres (1 hectare). (sciencedaily.com)