Every Sunday, in a corner of The Domain, near the Art Gallery of NSW (background), speakers with a point to make set themselves up and have a go at espousing their views. This fellow had about ten people sitting on the grass being mildly entertained by what he had to say.
The "Speakers Corner" idea was inherited from Hyde Park in London. Compared to its heyday in the 1930s, and then again in the 1960s, Speakers Corner is a rather pale shadow these days.
Traditionally, May Day (International Workers day) rallies ended here.
You can read more about it here.