Stock Photo: Two openings in the roof of the Zelske Jame cave system in Skocjan Karst gorge, UNESCO World Heritage Site, Rakov Skocjan, Slovenia, Europe
Stock Photo: 1890-100022 Two openings in the roof of the Zelske Jame cave system in Skocjan Karst gorge, UNESCO World Heritage Site, Rakov Skocjan, Slovenia, Europe