Blade Runner inspired a generation of filmmakers and other visual artists to think differently about what the future might look like. In this short video, Douglas Trumbull, who led the visual effects team on the film, describes the inspiration for, and the making of, the Hades (opening) sequence.
From Inspiration to “Reality”
It is striking to realize that none of this would be possible with today’s CG effects. These were not technicians; these were artists.
Again, here is the interview.