Sydney practises black out routine. Australia.
Item title reads - Sydney's black out.
L/S of sunset over Sydney, an aeroplane taxis and takes off to observe the black out practise. Various shots of Sydney with the lights on. A hand throws a switch and the sirens start. Various shots as the lights go off all over the city, M/S as they go out on Sydney Harbour bridge. One light remains on in a building. M/S of a woman closing the venetian blinds. A black out observer knocks on a door and tells a lady to turn her lights off. M/S of a young couple in the cinema, the lights go off and they have a cuddle. M/S of clock showing 10 p.m., the lights all come back on, and the aeroplane flies over the harbour.