An extraordinary photograph. Technically there is very little to fault. The entire frame is sharp. Exposure appears spot on. The two different light sources, the sun from behind and I assume flash from the front seem to meet in the middle and blend together well. May be a touch to harsh on her face, but works in the way it reminds me of the typical halogen work lamps one would find in a workshop.
The location itself is one I dream about. It has enough little details in itself, the rusted wheel, the green wheel, the birds nest and the plants and the hanging birds and bicycles, yet it isn't cluttered.
I'm not a fan of tattoos at all, but it suits the overall concept nicely despite my personal opinions.
the only thing that distracts me is the hanging fender directly above the model, the one partially out of frame. It might be just me but it drags my eyes upwards. If it was a darker colour it may be not so noticeable, but once my eye follows the form of the model up to the highlights in her awesomely healthy hair, it grabs my attention away from her.
That aside, this is a spectacular capture, one of the best I have seen. Can only give a very good score for this. I'd put the print onto my wishlist immediately if you choose to offer it as one. Or even the full hi-res file.