 cities are, you know, kind of heat magnifying devices. This phrase, urban heat island, it really describes what it is. And I think most people intuitively understand this, even if they don't think about it. You know, when you go for a walk in Dallas or in Austin or in Houston, and you go out and you're standing, crossing a street, for example, on the black asphalt with the, you know, on a concrete sidewalk,