The cold strikes suddenly; Although the sun is shining, it seems that its rays did not give off enough heat. The most technological city, can be seen in the distance, behind the fog.
They arrive. The place is full of robots, of creatures that mutated with radiation and live in peace with humans. Grau returns to his original form. They go around the place. People seem indifferent to the presence of outsiders. When John asks about the whereabouts of Rigan, his father's friend, someone indicates that he may find him on Fifteenth Street, at the end of the great avenue. Without hesitation they go to the indicated address.
- So you're John! - Says Rigan, a guy of short stature, nice, and almost comical-looking - I was waiting for you! You will find your father in region twenty-five. There you see, Sky city, his most amazing project!
- Sky city?