Have you ever read 'The Rolling Stonemason' an autobiography by Fred Bower?I had an old carpenter friend who worked on the Anglican cathederal ,he knew masons who had worked their whole working life on that one building ,have you ever seen the carved mice in there ?
A fascinating book.
Here's an article giving a 'taster'
The secret message buried in Liverpool Cathedral
Stonemason's re-published memoir celebrates little-known ceremony
www.liverpoolecho.co.uk