Recently there was long thread about the BCA. I can now post possible answers to some of the questions, such as "Why is the BCA still raising membership prices when there is a significant amount still left in its coffers?"
Not caving related (although one is the Nidd), but think it may be of interest - all seem to have been shown at the same time in different regions:
https://www.bbc.co.uk/iplayer/episodes/b0btrpht
