Also other activities that may be of interest:
The bridge will be closed to traffic on Sunday from 4.30am (AEDT) until 11pm, with walkers making the crossing between 10am and 9pm.
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The day will begin with a flypast of Tiger Moths from the 1930s, with further aerial displays by aircraft from later decades, including Harvards, Constellations, Catalinas and C130s, and ending with F-111s and a Boeing 747.
The RAAF's Red Berets will join the pageant with a parachute display.
There will be noise and action on the waters of Sydney harbour, too, as hundreds of vessels including ferries, tall ships and pleasure craft toot their horns to mark the start of the anniversary walk at 9am (AEDT).
Numbers have been capped at just over 200,000.
Info available from various news sources - there was one mockup done of how it would appear at night, but i cant find the article