 or a county road or a state highway. So if you're Walmart and you want to deliver packages, you take airways that correspond with the streets below you. You don't cut through people's yards or over people's houses. You don't do that. You can go in the air if you want to, and there aren't any stop signs or stop lights up in the air, but you're going to fly directly over streets to get to somebody's house or else you're in somebody else's private property and you're liable to get your drone shot.