Explore one of London’s great lost rivers: the mighty Fleet, a one-time trade route, moat and sewer. Take in medicinal spas, medieval tidal mills, a bishop’s palace from the Wars of the Roses, a Georgian bear-baiting pit, a Dickensian rubbish dump and two of London’s most notorious prisons and ruminate on the stomach-churning reality of London’s relationship with dirt.

Tour leader: Richard Barnett, author of 'Medical London'.

The event is FREE.

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