If your picture is to be visually interesting then it is vital that it has a focal point.
As already stated, the eye needs something to focus on - but this image lacks such a focal point.
I agree with Earl. This is still an interesting shot! The lack of an obvious 'figure' makes you focus on the foreground patterns which then leads you into the picture!
The focal point rule is one of those rules of photography that, when broken, often leads to a more intresting photograph. I think this pohoto is very interesting, but perhaps that's because *I* lack focus :-)