The process of growth is obviously critical to my understanding of the land and myself. So the process is far more unpredictable with far more compromises with the day, the weather, the material.

It's just that when I work on someone else's land, it makes me aware of the social nature of that landscape.

Design implies a sense of mapping something out and then you follow the plan.

People also leave presence in a place even when they are no longer there.

I enjoy working in a quiet and subversive way.

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.

Even in winter an isolated patch of snow has a special quality.