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Wasserseite des Wahnbachtalsperrendammes. de Foto der Wasserseite des Staudammes der Wahnbachtalsperre bei Siegburg whrend Sanierungsarbeiten am Staudamm aufgenommen am en Photo of dam of Wahnbach reservoir near Siegburg Germany during maintance picture taken at August th own Stefan Knauf Wahnbachtalsperre in Siegburg Taken