The images see a pit with green screen inside it, which is believed to be a place called Lazarus Pit that Ra's al Ghul uses to keep him young and alive.
Pictures claimed to be the first set photos of "The Dark Knight Rises" have leaked online. The images show a pit filled with what is seen as green screen, which makes the place looks like a green "pool".
The "pool" is believed to be the Lazarus Pit, the place which Ra's al Ghul visits when he needs to heal himself and keep his youth appearance. The Lazarus Pit rumor surfaces following recent report that Josh Pence is cast as young Ra's al Ghul. The character is said to appear in a flashback.
A sequel for "The Dark Knight", "The Dark Knight Rises" will be released across the nation on July 20, 2012, with Christopher Nolan serving behind the lens, and Christian Bale reprising his role as Bruce Wayne. Anne Hathaway and Tom Hardy are added as new cast members to play Selina Kyle a.k.a. Catwoman, and villainous Bane respectively.