 Contributing to the added expenses was the filming of snow scenes and aircraft interiors at the Los Angeles Ice and Cold Storage Warehouse, where the low temperature affected the equipment and caused lengthy delays.The Streamline Moderne sets representing Shangri-La, designed by Stephen Goosson, had been constructed adjacent to Hollywood Way, a busy thoroughfare by day, which necessitated filming at night and heavily added to overtime expenses.Many exteriors were filmed on location in Palm Springs, Lucerne Valley, the Ojai Valley, the Mojave Desert, the Sierra Nevada Mountains, and in what is now Westlake Village, adding the cost of transporting cast, crew, and equipment to the swelling budget.