This appears to be a subject that's been masked from multiple different shots and overlaid on a single background. You can do this with layers, and masking/transparency.
Here's a great video to get you started on how you can mask a subject from its background: http://tv.adobe.com/watch/the-russell-brown-show/masking-basics-in-photoshop-cs5/
Thanks so much for replying. A great tutorial video