This image is very simple to edit if we consider some details during its execution.
This image is the result of seven photographs.
Then placed the image 2 and removed the trees that did not interest me.
I created a new layer where I added a blue filter with the following values:
Then cut out and added to the image each of the 5 models.
I created a new layer where I put a yellow filter:
New layer with black filter:
One more layer to darken the lower corners:
And a new layer with yellow filter dimmed to give more warmth to the image:
Finally I added a gray texture:
Tip: In this image I needed to use a background and overlay it a series of images. Thinking in some detail when performing the images can save time in editing. Shoot with a tripod whenever you need to perform image overlays to facilitate their integration in the final image.