I soon realised that what had happened on a small scale cannot necessarily be repeated on a larger scale. The stones were so big that the amount of heat required was prohibitively expensive and wasteful.

If you've ever come across a tree that you've lived with for many years and then one day it's blown over, there's incredible shock and violence about that.

I'm not a performer, in that I don't like the public, but I work in that respect.

I soon realised that what had happened on a small scale cannot necessarily be repeated on a larger scale. The stones were so big that the amount of heat required was prohibitively expensive and wasteful.

I've laid down in dried up streambeds, leaving a shadow. And then, five minutes later, it's flash flooded, and where I once laid is now running water, which would've washed me away, you know? There's that power and danger often in places that look so calm and pastoral to begin with.

The British climate, although it is very wet, it is quite mild in winter. We don't get these severe - generally don't get severe winters.

There is life in a stone. Any stone that sits in a field or lies on a beach takes on the memory of that place. You can feel that stones have witnessed so many things.