A shot of the entrance of the Kozarnika Cave situated in the Balkan Mountains and the Danubian Plains in Sofia province in Bulagaria

kozarnika cave the goat shed bulgaria gravettian balkan mountains danubian plains belogradchik karst prehistoric site kozarnikian lithic tradition lipnitsa botevgrad sofia province dimovo municipality goat pen stalactites stalagnates stalagmites dendrites sinters dulles cave pearls chelates archaeological excavations fossils ruins stara planina historical cultural artifacts geographic anthropological archaeological site sacred religious relics cave walls rocks natural formations entrance history