Esha Ness cave
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Eshaness sea cave is 'largest in Britain'

The biggest cave in Britain can be found in Shetland, a geologist has claimed.

Jonathan Swale has used laser technology to map the Calders Geo sea cave at Eshaness and found it to be more than one and a half times the size of the famous Cheddar Gorge in Somerset.

Report by Mike Grunden.

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