how to shoot photo of scenes like Sin City?

Do you like Sin City? There is a way to make your picture looks like scenes in Sin City.
Check it out

But ....
"It is done in PS, but it is quite a complicated process involving mixing and (crucially) inverting layers, plus selective dodging, burning, resaturating and partial erasing of the individual layers."

I do hope Ducky can figure out the secrete.