17 JUN 08:00 Event 31ˢᵗ International Karstological School “Classical Karst” June 17, 2024 at 08:00 Postojna
16 JUN 09:00 Event 32ⁿᵈ INTERNATIONAL KARSTOLOGICAL SCHOOL “CLASSICAL KARST” June 16, 2025 at 09:00 Karst Research Institute ZRC SAZU, Postojna