aerial view of the partially frozen lingese dam near marienheide in winter.

aerial area artificial bergisches blue bridge brucher camping catchment dam drinking drone europe flood fly forest frozen germany high kierspe lake land landscape lingese lingesetalsperre lingesetalsperrenear marienheide nature near north nrw partially plane protection reflection reservoir rhine river sauerland shore sky snow stausee sunny talsperre tree valley view wall water westphalia winter wipper wipperfurth wupper wuppertal