Assertion: national park's area | /r/HasProperty | steeped in local history
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Source sentences:
text: The area is steeped in culture and local history, where more than half its population speak Welsh Fossil shell fragments on the summit of Snowdon date from over 500 million years ago and the ancient ‘Harlech Dome’ of which Snowdon and Cadair Idris form the northern and southern extents respectively, was created in the Cambrian Period before the volcanoes erupted.