Duration
60 minutes
Series Info
Season 1 Episode 3
Quick Summary
The eerie acoustics of the cave
About This Program
How the cave's eerie acoustics have been associated with supernatural phenomena, earning it a reputation for connecting visitors to the spirit world
Secrets in the Dark broadcasts on Sky History HD at 3:00pm, Sunday, 21 December 2025. (Subtitles)
Channel Numbers:
Sky HD114Virgin131