Filming moved to Los Angeles, resuming just after Christmas and before the New Year. As the film used practical effects, they needed skilled technicians who resided mainly in the city and soundstages that were non-existent in New York. Despite its New York setting, most of "Ghostbusters" was filmed on location in Los Angeles or on sets at Burbank Studios. Location scouts searched for buildings that could replicate the interiors of buildings being filmed in New York. Reitman tried using the interior of Hook & Ladder 8, but was unable to take it over long enough because it was an active fire station. Interior firehouse shots were taken instead at the decommissioned Fire House No. 23 in downtown Los Angeles. The building design, while common in New York, was a rarity in Los Angeles. An archival photograph of an active crew in Fire House No. 23 from 1915 was hung in the background of the Ghostbusters' office.