Read "The Matrix Reloaded" by Wachowski Brothers online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
It's like a valley floor running between two gigantic walls of rock that are nearly vertical, coming together in an elongated archway.
Carved into the street level are innumerable stores and shops, above them, apartments and balconies that rise to the top of the arch.