This film looks at life today in one of the last remaining dukedoms of Britain.

Twenty-three years ago Andrew Robert Buxton Cavendish inherited the title Duke of Devonshire and set himself the formidable task of preserving the seat at Chatsworth in a style evolved through four centuries by one of the richest families in Britain.

For the pleasure of it they had put thousands of people to work, built and rebuilt the house, demolished a town, transformed the landscape and through a system of artificial lakes and aqueducts created the grandest pattern of waterworks perhaps in the whole world.

Outwardly, the estate is little changed, a monument to great thinking and to eccentricity, but industrial towns have crept up the other side of surrounding hills and Chatsworth itself is by no means an island where time stands still.

'The Zoo Dukes...': pages 3-4