"The Underground didn't always belong to us," Harry said. "But it's ours now. We turned our backs on a world that didn't want us, and we made our own community down here. It was hard at first. Real hard, but we made it work. Most of the halfers that came down here with us couldn't take it, and they eventually left the tunnels all to us. World got easier for them topside once the strangeness eased off a bit; they still look almost human, if you didn't mind looking down at them. And I know a lot of norms who don't mind looking down on folks.