I just see myself as an object in the final image. I know I'm experiencing it when I'm there working on it. I'm there to be worked with, as anything else that I work with.

Snow provokes responses that reach right back to childhood.

I have worked with this red all over the world - in Japan, California, France, Britain, Australia - a vein running round the earth. It has taught me about the flow, energy and life that connects one place with another.

Stones are checked every so often to see if any have split or at worst exploded. An explosion can leave debris in the elements so the firing has to be abandoned.

You must have something new in a landscape as well as something old, something that's dying and something that's being born.

People do not realise that many of my works are done in urban places. I was brought up on the edge of Leeds, five miles from the city centre-on one side were fields and on the other, the city.

Winter makes a bridge between one year and another and, in this case, one century and the next.