Is the landscape part of a continuing tradition for today's conceptual artists? The photographer Ingrid Pollard , who was born in Georgetown, Guyana, assembles images and texts about the Lake District to convey her experience of visiting an English romantic landscape. Mark Haworth -Booth revisits Langdale
Valley with her and asks her about the mixture of pleasure and unease she still feels when she walks there.
(Final programme Friday 8.55pm)