Taken for the WIC Challenge - Transition
Several transitions going on here:
The KCS de Mexico train is crossing the Navidad River bridge (on the right)
Sun rising.
If you look above the center of the photo, you can see tiny black dots, which is a flock of migrating birds.
For more information about this Challenge and to see the other Entries, click here http://form.pbase.com/viewtopic.php?f=16&t=46793