When I saw the trails featuring this year's style, I was intrigued as to how the ident might be... Needless to say it does not disappoint. Lovely animation, really nicely done S4C.
Something I discovered only recently that has been floating in the ocean of YouTube material for almost 6 years... Snippets of on-location footage showing takes from the BBC 1 Capoeira ident shoot in 2002: