Detail of the railings on the main staircase at Kenwood House, Hampstead, London, 1989. Artist: Paul Highnam
Detail of the railings on the main staircase at Kenwood House, Hampstead, London, 1989. The staircase was designed by Robert Adam, who used the pattern on the metal balustrade in a number of other houses. (Photo by English Heritage/Heritage Images/Getty Images)