Walham Substation during the great River Severn floods of 2007 from the air
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dramatic aerial photograph of the Walham Substation , Gloucester, taken during the great floods of 2007 while the emergency services fight to save the substation with a temporary flood barrier. The fight has been called "The Battle for Walham" and involved the fire brigade, Royal Navy, Army, Royal Air Force and the Environment Agency in a combined effort to prevent the site being flooded. The water came within 5cm of overtopping the flood barrier but in the end the efforts were successful.