The density was unparalleled. Buildings were constructed so closely that they merged into a single structure. Pipes, wires, and corridors ran throughout the city, creating a chaotic, vertical, and horizontal maze. B. Daily Life and Commerce
: Buildings shared walls and stairwells. Residents could traverse the entire length of the city from rooftop to rooftop or through interior corridors without ever touching the ground. Daily Life, Commerce, and Community