The Head of Michelangelo's Moses

I'm revisiting an old favorite again. The full-sized, precise bronze copy of Michelangelo's Moses continues to tease me with his great sinuous, smoky locks of beard, his fearsome gaze and technical bravado as there is something new to see every time I stop by with my camera.

I've done a rough model of the entire figure before, but this time I wanted to focus just on the head. While this model is better than before, I'm still not satisfied as I find it so difficult to get good photos of Moses'