Super beautiful little cave in the gypsum karst landscape of the southern Harz. When the sun is shining properly, the water of the grotto lake glows beautifully and intensely! But …
From my private research about my home in World War II:
Planned underground relocation in Himmelsberg near Woffleben to expand the Mittelwerk-Dora V-weapon production facility; conceived with 100,000 sqm / …