sentences:  They also built the set around a highly nuanced lighting system which was able to create natural-looking lighting effects for both the day and night scenes.Though the address given in the film is 125 W. Ninth Street in New York's Greenwich Village, the set was actually based on a real courtyard located at 125 Christopher Street.In addition to the meticulous care and detail put into the set, careful attention was also given to sound, including the use of natural sounds and music that would drift across the courtyard and into Jefferies' apartment.