Literary research fellow, sheep expert and self-confessed nerd, Dr Briony Wickes, delivers a HUGE landmark for this episode of the Benjamin's Britain podcast. Briony, Nicky and Ben discuss a trip with their friends to the exclusive Ceremony of the Keys. The traditional 'locking of the tower' has taken place for over 700 years at 9.53pm every night and is the oldest extant military ceremony in the world.

Briony's alternative landmark is also a bit of an institution. Without giving much away we talk about it's historical links to Dickens, the 90s rave scene, industrial revolution and even time itself.

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