Silicon-Based Tower

Due to humanity's excessive misuse of artificial intelligence, Pandora's Box was finally opened, and the post-human era arrived. In a future a century later, carbon-based life forms struggle to survive in extreme environments, while silicon-based life emerges in the form of buildings made of silicon and metal. Carbon-based life forms are reduced to mere lines of code, activating vast computer programs. Are the humans living with-in these buildings returning to a familiar homeland, or are they plunging into an irreparable abyss?