The future is undocumented. Today's bug can be tomorrow's feature.
Finalising details and adding more depth for the final artwork!
Adding more details and adjusting the composition to get the right mood.
Based off one of the thumbnails developed for composition, suitable photos are selected and put together to gradually build up the piece.
Free 3D model for Tesla police truck downloaded from https://skfb.ly/6SEnv (creative commons license)
Trying out different compositions and mood by making grayscale thumbnail-sized composition pieces.
Pulling in references from a variety of sources to get a general feel and mood for the piece.