Most airlines also require passengers be at the boarding gate approximately 30 minutes before departure. As airport processing times vary, Delta's website suggests arriving at the airport three hours before international travel, while Virgin America recommends allowing two hours.
The film is projected with a movie projector onto a large projection screen at the front of the auditorium while the dialogue, sounds and music are played through a number of wall-mounted speakers. Since the 1970s, subwoofers have been used for low-pitched sounds.
The Famous Bird Cage Theatre. Bird Cage Theatre Past... This is a picture of the famous Bird Cage Theatre, as it looked after it closed in 1889. The Bird Cage was literally boarded up for about fifty years, before it was reopened as a tourist attraction.