Foto: Daniela Wallner Information boards along the way teach you about the bark beetle and the forest as an eco system. Foto: Daniela Wallner You cannot miss the entrance to the path. Nationalpark Harz This is the route Foto: Daniela Wallner What remains is dead spruces, that will soon be replaced by fresh sprouts and a newly growing mixed forest. Foto: Daniela Wallner A path dedicated to the unpopular bark beetle is unique in the world.