Grassland in the Droemling, swans in the drainage ditch, Olor, lowland moor, lowland area, biosphere reserve, nature reserve, Kolonnenweg, Lochplattenweg, inner-German border installation, Gruenes Band, border path, near Oebisfelde, Boerde District

areas area biosphere reserves biosphere reserve biotopes biotope bog borders border central europe contemporary history county deutsche demokratische republik district ditches ditch drainage canals drainage canal drainage ditch droemling natural preserve droemling eastern germany east germany europe fens fen frontier gdr border installation gdr border gdr german german border german democratic republic german federal republic germany grassland historical historic history inner german border innerdeutsche grenze inner german border fortification inner german border installation inner german border lowland fen lowland moor middle europe moor natural preserves natural preserve nature park nature reserves nature reserve path perforated plate path post war eras post war era post war period post war years protected area reserves reserve sanctury swamps swamp ways way wetlands wetland