Hello, yes, it seems a type of illumination, but in fact it is an effect obtained with a program of photographic adjustment. Modern times :-).
This your photo has an illumination and a contrast that make it only, wonderful.
Thank you very much for the comments.
This was one of those photos that I took and thought that it would be great when I took it, but the camera didn't quite reproduce the colours to what I remembered.
So I just increased the hue / saturation by 5% and this is what came out.
Photoshop is better than sliced bread in my opinion!