The last of the suburbs was still passing by, hunkered down for the winter and still as Sunday. Alex felt a particular yearning for the suburbs between an airport and a city; he wanted to stop the car and knock on one of those pine doors, and squeeze in between the fireman and his wife until someone rose to make breakfast and the kids started to yell. But you need a specific address for the suburbs. Only in the city can you be dropped off in front of statues and behind opera houses. The suburbs are by invitation only.