Spectacular Postojna Caves
This subterranean world of the Postojna Caves (Postojnska Jama) in Slovenia has amazed visitors for over 200 years with its jaw-dropping chambers and passageways.
This subterranean world of the Postojna Caves (Postojnska Jama) in Slovenia has amazed visitors for over 200 years with its jaw-dropping chambers and passageways.