I love this picture, and I did not see any critiques in the comments so I thought I would critique for you.
The vision behind this piece is great. I an see what you were trying to achieve and I think you got it. It might not be very original (I see a lot of pieces around dA of light rays in the forest) but the light is so good and rays so well defined here that it makes this piece its own.
The technique is really good. You showed here that you know how to use the camera to get that perfect picture.
Finally, impact. This picture caught my eye in a second because of the great contrast and beautiful lighting. Lighting like this is tough to capture to its full potential, but you got it somehow. Perfect timing and great technique made this picture have a huge impact.