I have seen dozens of these photos most of the photos can be explained scientifically. In metaphysics they teach that the smoky haze is called ectoplasm or spirit. Reality is nothing more than magic and illusion brought forth through the lens - the eye of the camera. It's just fun stuff.
The Spirit of Colorado - 3 Images taken June 2000.
Dinosaur National Monument - North of Grand Junction
A small town - west of Denver