According to Latino Review, The Dark Knight crew have been working on top-secret designs and storyboards for about two weeks now"

Pre-production has started in London on the much anticipated Batman sequel The Dark Knight! We can confirm that most of the Batman Begins crew is back, including director of photography Wally Pfister, production designer Nathan Crowley, costume designer Lindy Hemming and art directors Simon Lamont and Kevin Kavanaugh.