What's this black hole then?

High above the village of Abergynolwyn there be a big black hole in a mountain that some have named the Devil's Bumhole. From a distance it appears that smoke is billowing from the hole making a popular photography piece that people like to debate on social media.

Locals tell of a stray missile from a nearby testing site, others speculate a collapsed mine, or the entrance to Mordor.

Here's some real online theories, but which is true?
Whats this black hole then?
Military missile Whoopsie
A plane crash
A collapsed mine
The governments £22 billion black hole
Entrance to Hell
A shadow
Here be dragons
Select gender and age to cast your vote:
Updates
7 mo
Sorry to disappoint but its only a shadow caused by low sun casting a shadow across a natural basin.
What's this black hole then?
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