(The original photo was taken from http://www.finchbuildings.com and is the copyright property of Finch buildings BV, located at Javakade 440, 1019 SC in Amsterdam. It is used here for the purpose of technical experimentation and illustration only.
The trees and bushes were downloaded from pngkit.com and are offered there as free for personal and non-commercial use.)

I finally added trees and bushes. I tried constructing perspective projections for them but quickly gave up and then just scaled/positioned them so they looked fairly believable. I applied saturation reduction with more reduction the further away they are, to help with the perception of distance.

The full size version (13MB .png) is here: https://www.dropbox.com/s/1fsekmsrmedck ... l.png?dl=0