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Modern Mysteries

Scientists solve mystery of Finland's eerie 'Devil's Church' cave

By T.K. Randall
November 27, 2023 · Comment icon 7 comments
Devil Church cave in Finland.
A visitor standing outside the cave. Image Credit: CC BY-SA 3.0 Marko Ruohoranta
Visitors to Pirunkirkko in Heinola, Finland have often felt the presence of some sort of spirit within the cave.
The cave, which is known by the rather unsavory nickname of 'Devil's Church', measures only 111ft in length but has, over the years, become synonymous with tales of spirits and an eerie presence.

According to folklore, an individual named Kinolainen once used the cave to perform magic rituals.

"Kinolainen would take his patients to the 'church' to talk with the Devil about the causes and cures of their ailments," said researcher Riitta Rainio of the University of Eastern Finland.

"This kind of a healing ritual often included loud yelling, stomping, shooting and banging."
These days, the cave attracts visitors from all over Finland and beyond who venture inside in the hope of experiencing the uncanny sensation that someone or something is in there with them.

Now, though, Rainio and colleague Elina Hytonen-Ng believe that they have discovered the precise reason why people feel this way in the cave and it is all to do with its acoustics.

In particular, the cave's unique shape produces a distinct resonance phenomenon that serves to lengthen and amplify sounds that occur inside.

"Where a researcher of acoustics hears as resonance, people of the past may have sensed the presence of a spirit, and a shamanic practitioner may feel the presence of an exceptional energy, each according to their background," the researchers wrote.

Source: Mail Online | Comments (7)

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Recent comments on this story
Comment icon #1 Posted by OpenMindedSceptic 3 months ago
Interesting. Maybe the resonance provides a form of healing too.
Comment icon #2 Posted by Nosy.Matters 3 months ago
Suppose to be dressed in all black, black shades, black mask, all clothes and hoodie pulled down, religion of hate church of evil garb. It's what they use in swantown helltown and casino parking Lots for fenced goodies, product and supply swaps hustle.
Comment icon #3 Posted by Piney 3 months ago
If there are quartz veins I call radon gas. 
Comment icon #4 Posted by Cho Jinn 3 months ago
But did they, really?
Comment icon #5 Posted by Poncho_Peanatus 2 months ago
Radon gas is radioactive, it makes you sick....its not a healer.
Comment icon #6 Posted by Procyon 2 months ago
Can radon cause hallucinations though? If so, it might be an oracle of Delphi situation.
Comment icon #7 Posted by Piney 2 months ago
It does both. It gives pain relief but it can give you cancer. There was actual radon treatment studies done and can be found on the NIH National Library of Medicine website.   

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