At the bottom of each photo-page you will see a Tags section similar to that shown below:
Year = 1969
Event = Leisure
Gender = Mixed
People = Group
Extra = 1960s
If you were to search for "Year = 1969" you would be returned a link to every photo in the archive containing that text.
To get the most from this you need to know the various Tag Categories and for each of them you need to know the valid Tag Values (that is, what can come after the equals sign.
The Tag Categories are shown below. Click on each to see a list of the valid Tag Values that go with each.
Buildings Document Event Gender Landscape Object People Sport Transport Work Extra
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