A spectacular underground cave with a waterfall twice the height of Niagara Falls has been opened up to the public. Gaping Gill cavern in the heart of the Yorkshire Dales is closed off to the public ...
Underground chamber boasts a waterfall twice the height of Niagara Falls - but for most of the year the Gaping Gill cavern in the Yorkshire Dales is out of bounds to all but the most experienced ...
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