Bleibtreusee
Bleibtreusee is an artificial lake on the grounds of the former open-pit lignite mine in Rhein-Erft-Kreis, North Rhine-Westphalia, Germany. At an elevation of its surface area is 74.2 ha. North of Bleibtreusee, there is an electricity pylon, which carried from 1977 to 2010 an observation deck.
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