In this new post of our Extensive Listening Series, Filthy London, historian Dan Snow shows what 14th century medieval London and its streets were like 700 years ago and recreates what it was like to live and work in the uncleanliness.
The documentary was aired by the BBC in October 2011 as part of the series Filthy Cities.
Watch it and enjoy this remarkable investigative document.
You can read a transcript for the first ten minutes of the programme here.