Architectural visualisation London scene creation for CG art is always heavily effected by light colour and composition.
In this body of work it was the London skies that set the atmosphere, mood and colour pallet for the rest of the frame. Every element is in relationship to and in some way an expression of the sky.
The hyper real dynamic look with dirt was asking for framing much like we used to do a decade ago and had proved suitable. see more similar projects motions.