On our rapidly urbanizing planet, the everyday life of the world’s swelling population of urbanites is increasingly sustained by vast systems of infrastructure and technology. Whilst oen taken for granted, at least when they work, these systems allow modern urban life to exist. eir pipes, ducts, servers, wires, and tunnels sustain the ows, connections, and metabolisms that are intrinsic to contemporary cities. rough their endless technological agency, these systems help transform the natural into the cultural, the social and the urban. Such edices thus provide the hidden background to modern urban everyday life.