How many climaxes will The Dark Knight Rises have?

The Dark Knight Rises is rumored to be filming the biggest fight scene ever put on film. That's after Christopher Nolan has already filmed a dozen other huge set pieces — that we know about.

If half the things people are saying about this movie are true, then it might be the most ambitious superhero movie ever. And it might have even more huge blow-outs and defining moments than The Dark Knight. Which makes us wonder... just how many narrative climaxes will this film boast?