The images and descriptions that you will see below come from The Dark Knight Rises: The Secret Files Scrapbook. A special thanks to Tony Fritze from The Dark Knight Rises Community for supplying the images and the information. Enjoy!
BATCAVE - "Completely rebuilt after the fire, the new Batcave headquarters is the nerve center of Batman's operation. Here, he can monitor criminal activity in real time. The cave is concealed by massive stone cubes that mask the presence of any activity within. Bridges and ramps have also been built inside the cave to allow Batman's vehicles' entry as well as to help transport computer equiptment safely in and out."
JOHN BLAKE - "Is a passionate young police officer who shares Batman's vision of a crime-free Gotham City. Blake quickly formed a strong bond with Jim Gordon and has learned a great deal under his guidence."
MIRANDA TATE - "As a board member of Wayne Enterprises, Miranda Tate helps Bruce resume his father's philanthropic endeavors. She is also a very clever and intelligent businesswoman."
Highlight Text Below For Ra's al Ghul Spoiler
Ra's al Ghul -
"My book has announced Ra's did not survive the train wreak. So he only appears in flashback."
The Dark Knight Rises hits theaters July 20th 2012 and stars Christian Bale as Bruce Wayne/Batman, Michael Caine as Alfred Pennyworth, Gary Oldman as Jim Gordon, Tom Hardy as Bane, Anne Hathaway as Selina Kyle, Joseph Gordon-Levitt as John Blake and Marion Cotillard as Miranda Tate.