Wow - what a lovely piece! I was instantly drawn to this piece. It's quite striking and as soon as I looked at it I felt cold. You know you've done a good job when I can be sitting in a warm office, wearing a hoodie, and still feel cold. <img src="e.deviantart.net/emoticons/l/l…" width="19" height="21" alt="" title="Laughing my ass off!"/>
There's really only one thing I'd change about this piece: the hand print. I like the placement and the message it conveys, but I think it'd look better a little drippy - perhaps a little smeared. Like you'd put your hand there and, finding no one on the other side, slowly removed your hand sadly, leaving a small blur. This is, of course, a personal preference, but I hope it makes sense to you, as well.
Love this piece - keep up the great work!