Quisiera saber para aprender las razones tecnicas de rechazo
Always examine images at 100-300% magnification.
I see several technical problems starting with focus, uneven lighting which leads to grainyness, and artifacts. Also the subject could be framed better.
I like the image colors. I would say use it for your own purposes. But it's not quite right for Stock customers.
If you're new to Stock, read these links:
Better luck with your next submission. 🙂