In order to achieve a perfect real effect, so that the scene in the novel can be restored 100%, whether it can be filmed in the Louvre in France at the beginning of the original work becomes the key. In December 2004, Howard and the producer accidentally received a call from the French President Chirac’s office when they were selecting actresses in Paris. They had a very happy one-hour meeting with Chirac, and they easily finalized the shooting at the Louvre. Concession. During the week of filming, the crew can only film in the evening and every Tuesday when the museum is closed.
Westminster Abbey, where one of the highlights of the novel took place, categorically rejected the producer's request for shooting inside. In contrast to the firm rejection of Westminster Abbey, Lincoln Cathedral, which was built in the 11th century and has an internal structure very similar to Westminster Abbey, opened its doors. The 15th-century Roslin Cathedral near Edinburgh was also reached with the filming agreement. In the novel, Roslin Cathedral is related to the once powerful "Knights Templar". The crew paid a high rental fee of £100,000 for Lincoln Cathedral and Rosslyn Cathedral. Winchester Cathedral in southern England is also open to the crew.
