One of London's great lungs. This is not a park. I...

One of London's great lungs. This is not a park. It is managed but is not cultivated. It has been left more or less in its natural state. About 100 yards into the Heath and you will think you are in the countryside. The sounds of the city disappear and all you can hear are birdsong and yet you are still in zone 2 of 6 London zones!