Secrecy shrouded Tyntesfield House for 100 years. Dan Cruickshank pays it a visit. More after the news at 8.30.
(First shown on BBC2)

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3/5
The inside story of the crusade to save Tyntesfield.

Andrew Motion uncovers the hidden history of Britain's ultimate secret military establishment.

Debating the big topical issues.

With
Minette Walters and Irving Finkle of the British Museum. BBCi features available via handset

The Body Shop's Anita Roddick boards the boat-trip in Scotland with the US comic.

How was the world's biggest industrial merger pulled off in secrecy? Signed.

Arena's 's portrait of arguably the most important UK photographer of his time. Signed. (BW)