 Shady spots in parks can be immensely cooler. And, of course, even going, if you're in a multi-story building, down a few levels to a neighbor's place can be cooler too. Then, of course, there's air conditioning with the main challenge being it's expensive. And during these recent heat waves, we had power outages. And so relying solely on air conditioning, again, thinking about the folks who have the hardest challenge in accessing air conditioning –