lake in the forest of the harz mountains. picturesque mining pond near clausthal-zellerfeld in lower saxony, harz, germany.

afternoon autumn beautiful blue calm clausthal cultural dam drinking fall forest fortuner german germany grass green harz heritage historic lake lakeside landscape lower mining mirror monument mountain mountains nature outdoors panorama park peaceful pine placid pond ponds reflection regale reservoir saxony site sky teich tourism travel tree trees unesco upper water world zellerfeld