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To the south of the village of Podgórki several natural history sites are present. Karst phenomena have developed in local crystalline limestones, albeit on a minor scale. The best known is Walońska Cave, discovered in a small quarry. It consists of one straight, 14 m long high gallery. On the walls sinters are partly preserved and include miniature stalactites, flowstones and cascades. The cave has long been known and there are local stories about hidden treasures placed inside by the medieval gemstone prospectors. Above the cave, on the ridge, one will notice numerous natural outcrops of crystalline limestone, shaped as pulpits, towers, rock steps and walls, 3 to 10 m high. Collectively they are named Białe Skały (White Rocks). Botanical values of the area resulted in the establishment of the “Buczyna Storczykowa nad Białych Skałach” nature reserve (Orchid Beech Forest on White Rocks) in 2001. The protected area extends over 8.76 ha and includes Medio-European limestone beech forest, with striking dwarfed and deformed beech, and fertile Sudetic beech forest, where beech is accompanied by spruce, sycamore, oak and hornbeam. Within the limestone beech forest, where minimal human impact took place, rich ground cover occurs, with orchids, martagon lily and daphne mezereon.