The norse god Odin often put on a disguse to walk among humans in order to gather information. The motif of the grey wanderer can be found in the character of Gandalf in Lord of the Rings as well.
Maybe Odin is using that method to visit the mortals to this very day? The ravens Huginn and Muninn are appearing here in the form of pigeons, the wolfs geri and freki accompany the one-eyed god as Huskies.
This might be interesting for you as well:
On of the roles of the composition of an image is to depict the most important elements of the picture in a clear, recognizable manner. For color pictures, not only the placement of the elements is playing a central role, but the color composition as well.
An obvious method is to separate diffrent elements or layers within the image like foreground and background by different color saturations of a difference in lightness.
There are many approaches for setting up a color composition. To acquire some helpful rules of thumb, it can be useful to look at some of the oldest works of visual design in history: Coat of arms and flags.