Adachi nodded. "Sure, on foot it would. But most people travel in subways. You know, fast metal carriages that move through the earth." He had a hunch that she might not know what subways were, judging by the way she was talking.

"Oh. I don't live there. I live in a small town. It's easy to cross. But—I'm from the city. You can do anything you want there, pretty much! I'm sure a kid like you would have a lot of fun."