Wild Castles
Predjama
Season 1 Episode 3
In Slovenia lies the world's largest castle that is carved into a cave - a subterranean haven for the region's birds, boars and mountain goats
Wild Castles airs on Sky Nature at 3:00 AM, Tuesday 3 December. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Nature ➝ Animals ➝ Environment