When recreating the interior of St. Peter's Basilica, production designer Allan Cameron and visual effects supervisor Angus Bickerton recognized the tall soundstages were only half the size of the real church. They rebuilt the area around and the crypts beneath St. Peter's baldachin, including the bottoms of the columns and Saint Peter's statue, and surrounded it with a 360 degree greenscreen so the rest could be built digitally. Cameron had twenty crew members, posing as members of the public, photograph as much as they could inside the Sistine Chapel, and had artists sketch, photograph and enlarge recreations of the paintings and mosaics from the photographs. Cameron chose to present the Sistine Chapel as it was before the restoration of its frescoes, as he preferred the contrast which the formerly smoky, muted colours would present against the vivid red of the Cardinal's vestments. Although the chapel was built to full size, the Sala Regia was made smaller to fit inside the stage.