I think perhaps Digi has got it...I couldn't put my finger on it at all, but the more I think of it, perhaps he's right. Nice subject and your placement is pleasing.
"I never looked for it, gave it no name; yet I knew it always, when the gift of peace came. I stood quite still for the moment that it lasted...Then the light shifted slightly and the moment passed, leaving me...with the lasting echo of its presence.." Diana Gabaldon
Nice shot, and I like the composition of it. I wish I actually had a decent camera...haha anyways, I'm sure digi and pj know what they're talking about.