Mining Plant Museum Schacht Knesebeck, UNESCO World heritage site, Bad Grund, Harz, Lower Saxony, Germany

unesco world cultural heritage nobody architecture europe rock long exposure unesco harz landscape stones nature mine illumination rocks niedersachsen mining lower saxony industry travel scenics stone water arch mine diminishing perspective indoors cave museum reflection germany the way forward stollen schacht schachtanlage schacht knesebeck oberharzer bad grund