I don't even understand the rules, but it's completely amazing.
The filler during the coverage makes for incredible TV. Earlier on they had a confused looking Bangladeshi tourist trying to improve his skills on a table in, er, Sheffield railway station which was then followed by a graphologist analysing a player's schoolwork.
I really wish I still lived in Sheffield. Last year we used to break up our revision sessions by wandering up to the Crucible and following Ray Stubbs over to the Greggs near Coles Corner.