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The introduction of greenbelts and national parks are two ways in which we are protecting what we think of as 'natural'. But even in the Brecon Beacons there is still evidence of the human hand in changing the landscape.

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Story: Pleasure Grounds

Duration: 3:54

The introduction of greenbelts and national parks are two ways in which we are protecting what we think of as 'natural'. But even in the Brecon Beacons there is still evidence of the human hand in changing the landscape.

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