Is Leicestershire England's least known county?
The blurb for this film, produced for the local branch of the Council for the Protection of Rural England in 1970, claims it is. Most underrated county might be more accurate.
The commentary veers from the snobbish to the apocalyptic in places, but there is plenty of interesting footage.
Click on the still of Belvoir Castle above to view the film on the BFI website.