caption: The image shows a poster on the wall depicting a group of people, buildings, and text that reads "The Melbourne Riot: How Harry Holdfast and His Encipated Workers". The poster is filled with vibrant colors and the people in the image are depicted in a chaotic and unrestful manner, with some of them holding signs and banners. The buildings in the background are tall and imposing, and the text is written in bold, black lettering.