Sunset is a magic time, in with fantasy and reality merge together. In an image like this you can see the sun behind mountains, that spand ahead marvelous light in the sky e between clouds, up on the city.
But, if you look carefully, in the clouds you can recognize forms of strange creature: dragons, maybe?
When time arrives, when earth is preparing to welcome snow and ice, dragons spread out wings and start migrations to a better place to live.
In any case, this image is usefull for representing a location or for a background to goal into, but also like a cover.