The settlement in the Karkonosze region was shaped in periods numbering hundreds, and sometimes only decades. The human wave flooded the mountains, which disappeared after a while, then flowed in again, to fade away again, leaving empty houses.
One …
It would probably be an exaggeration to say, that we now know everything about the Karkonosze Mountains, after all, our knowledge about them is still expanding and deepening, new discoveries are coming, research, and numerous "searchers" search for forgotten news and curiosities.