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Originally posted by Severin
I have no idea whatsoever what this could be, it seems too circular and smooth to be natural but the diameter seems far too large to be bored by a machine in that particular location.
Looking forward to other opinions on this.
Originally posted by southseasavage
you should totally drop a molotov cocktail down the hole.
hope that translates
The underground fire is still burning and may continue to do so for 250 years.