Stylish background
First, get your model out of the background
use 
to creat this
selection
then fill color ( on new ,layer )
do the same step ( on new layer ) under layer yellow
then merge 3 layer, use
again to select this
selection
then delete
Select more
Ctrl + J to bring it to new layer ( Layer Via Copy ). change blending mode =
Multiply
do the same step with
we have
Shading with 
follows
the direction
creat a selection like this
then Ctrl + Shift + J ( Layer Via Cut )
Transform and shading ( same previuos step )
Layer shot
Merge all background layer ( dont have model layer )
Duplicate .... and transform
Shading
Creat simple background with building brushes
add some detail
This is Final Result !!!
1
