In the opening sequence of Ridley Scott’s Blade Runner (loosely based on Phillip K. Dick’s award-winning novel Do Androids Dream of Electric Sheep?) the camera crawls along above a hellish-looking city — aptly referred to as the “Hades” landscape. Flame-spewing cracking plants and dots of red-yellow artificial light dominate the ground. Hazy smog chokes the sky. Flying crafts zip through the air. The visual is both terrifying and breathtaking, and sets the…