She passes one of those spookily efficient midnight road crews, who've set up self-illuminated traffic cones prettier than any lamp she's ever owned, and are slicing into asphalt with a water-cooled steel disk. Tokyo doesn't so much sleep as pause to allow crucial repairs to its infrastructure. She's never actually seen soil emerge from any incision they might make in the street, here; it's as though there is nothing beneath the pavement but a clean, uniformly dense substrate of pipes and wiring.