the przadki spinners nature reserve with variegated rocky land-forms

przadki spinners nature reserve variegated rocky landforms podkarpackie voivodeship poland bedrock bioerosion bizarre bludgeon carvings chunks corrasion deflation denudation denuded eco ecology environment eocene age shales erosion erosive forms exfoliation fancy fold forest geological geology geosite green huge impressive inselberg landscape large legendary natural outdoor park rock chunk tor sandstone shape stone suffosion wilderness province