The skin is about to be ripped back from one of the most foetid slums in Britain, a London parish which became such a byword for filth and squalor that the phrase “a St Giles cellar” literally signified the lowest depth of abject poverty.
• This article was amended on 17 May 2011. A subheading on the original said that the exhibition described in the text was taking place at the Museum of London. This has been corrected.
guardian.co.uk © Guardian News & Media Limited 2010