There is a  CASE STUDY of "Streets Of Fear" on artjunks.com. Use the link below to
see how this photoillustration was made in 7 essential steps.

http://www.artjunks.com/exclusive-case-study-ralf-krause-streets-of-fear/

Copyright - all rights reserved, Ralf Krause.
This is a private, non-commercial artwork.