Capítulo 722: The Slums

The factories in Black Street operated day and night; the dense black smoke from the towering chimneys shrouded the entire city. When standing at a higher point in town, one could even see the haze descending slowly from the sky like a veil. The smoke left a coat of gray and black soot in the neighborhood. That was one of the things that gave Black Street its name. In the modern world of the Nanomachine Swarm, many heavy industries were still unable to get rid of traditional production methods due to technical limitations.

In Black Street, large machinery and arms factories were the biggest industries.