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.

This media requires JavaScript to be turned on (Show me how) and Adobe Flash Player to be installed (Show me how).

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.

Explore More

View stories in area

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.