Photo of the Dearest odyssians, We present “moon over the plain”

Wow. We love this pic. Wonder which parts are real and which are compositions using illustration and real photography, or if its all drawn. Any ideas? We still love it no matter how it came to be in the matrix.
Art is By Maggie-me. For more of this artists graphic work visit the site linked below:
http://m.flickr.com/#/photos/maggie-me/4444643833/
Hugs, o and om