The acclaimed 1994 documentary has been digitally restored 25 years after its release.
A family researcher found her great uncle in a 1920s Frank Hurley film in the NFSA collection.
The NFSA collection contains over 100 political glass slide advertisements, dating from 1917 to 1976.
Sigrid Thornton battled the ash cloud that grounded planes and closed airports to launch the NT Access Centre in Darwin.
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