After the controversy of Da Vinci Code, which angered the Catholic heads. The director, Ron Howard was banned shooting in the Holy City. 

Howard is still the Director of the "sequel" of the life of Robert Langdon, played by Tom Hanks. 

Angels and Demons tackles about the leadership in Vatican City. The selection of the pope and the murder that circulates around the city. The fictional story, which is still highly criticized by the catholic churches is set to be shown in theathers in 2009.

Howard managed to shoot some scenes around Vatican and told the press

"We just weren't allowed anywhere near them."

during an interview on U.S. TV show Shootout Howard hints he found a loophole to sneak into the city: "We didn't shoot at the Vatican... officially. But cameras can be made really small."

reference: http://www.imdb.com