I'm guessing they are leaving UK filming till last. I thought Chicago was gonna be it; that it'd head into post-production, or whatever it's called, but it seems you're right. An extra working on the movie in Chicago sent over a few tidbits on what's being filmed so far and said: I was talking with...

I haven't sent anything yet; thought I'd be too late to catch them in the UK and luckily I didn't - they're back in Chicago now for 3 months! Batman is back in Chicago June 8, 2007 - Mayor Daley gave an official welcome to the cast and crew at city hall. The 'Dark Knight' will be all over town for t...