You can't expect to take a definitive image in half an hour. It takes days, often years.

And in fact I don't believe there is such a thing as a definitive picture of something. The land is a living, breathing thing and light changes its character every second of every day. That's why I love it so much.

I have always been a very keen walker, though, and I often took a camera with me on my walks.

I had been working in colour for ten years or so and looked at digital and liked the possibilities it gave me.

What I loathe is the multi-national conglomerates who must take responsibility for the degradation and pollution of so much of our landscape with their factory farming and greed.

He's so slow that he takes an hour and a half to watch 60 Minutes.