 an American city, the cities they're leaving, these big coastal cities, which is where most of the problem is. By no means all, to be clear, as Brian talks about. Miami, Dallas, there are lots of places where, especially in the center city, there are still issues. But the big issues are along the coasts. Those are where, for a variety of reasons, there's just a stranglehold on the ability to build in the densest and most productive areas.