Episode details

Available for over a year
The strange structure has been there for more than 150 years, but nobody seems to know why. Historian Kevin Gordon thinks he knows the answer. Produced by Simon Furber
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Available for over a year
The strange structure has been there for more than 150 years, but nobody seems to know why. Historian Kevin Gordon thinks he knows the answer. Produced by Simon Furber
Programme Website