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Michael Taylor: Thames Flood Barrier The Bible's account of the great flood and similar stories give evicence that there have always been floods great enough to adversely affect man's struggle to live on earth. Early civilizations that thrived along the Nile, Tigris, Euphrates, Indus and Yellow rivers found it not only wise ... but essential ... to undertake detailed plans for protection from flood disaster. Today, much of the world's population and property are located on lands that are subject to the overflow of rivers and seas. One of the major kinds of floods is a river flood. This common type of flood occurs when the well-defined channel of a river is broken by heavy rainfall or snowmelt. Then, the river leaves its banks and floods surrounding towns and farms, destroying much that stands in its path. To defend cities and countryside from flooding, Britian built the Thames Flood Barrier. This important flood control device consists of a series of ten gates which can be rotated in order to alter the flow of the river Thames. In this way, the Thames Flood Barrier protects London from the effects of a surge tide and subsequentflooding. The Barrier was built at a cost of approximately 650 milion dollars and forms an integral part of the overall Tidal Thames Prevention Scheme. This artwork originally appeared on the Fleetwood® First Day Cover for the Great Britain 20 1/2p Thames Flood Barrier stamp issued May 25, 1983. Artwork Copyright © 1983 Unicover Corporation. All Rights Reserved under United States and international copyright laws. You may not reproduce, distribute, transmit, or otherwise exploit the Artwork in any way. Images of the Artwork may be watermarked and/or digitally watermarked. Any sale of the physical original does not include or convey the Copyright or any right comprised in the copyright.
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