digraph overview {
	fontname = Arial;
	node [fontname = Arial];
	label = "Return to Ritherdon";
	labelloc = top;
	style = filled;
	color = lightgrey;
	fontsize = 20;
	subgraph cluster0 {
		style = filled;
		node [style = filled, color = white];
		color = lightblue;
		label = "Personal Flash in Real-Time (I.E. 'Artwork 1')";
		fontsize = 16;
		Light;
		Midpoint;
		Relay;
	}
	subgraph cluster1 {
		label = "The other artworks in the exhibiton/project...";
		fontsize = 16;
		color = white;
		style = filled;
		a5 [label = "Artwork 5"];		
		a4 [label = "Artwork 4"];
		a3 [label = "Artwork 3"];
		a2 [label = "Artwork 2"];
	}
}