 Of course, one of the things that doesn't happen, and those of us who drive around know this, is the water doesn't travel. It sits in the middle of the intersection. So when I'm driving or I ride my bike, I have to go through puddles. But if you look off either side, you don't see puddles like that in the desert. So that's got to be one of the big changes. Exactly. The cities all over the world have hard surfaces like streets.