“Huh.”

It’s kind of weird to think about that being a problem, since they grew up underground. Really, the first time Leo saw the sky here, it felt too big, without skyscrapers or trees or anything to break it up.

But the changes that are happening to them are affecting more than how they look. It’s not that much of a surprise that Donnie likes heights now. He always liked flying even before.

“You can leave the hatch open, too. I don’t mind.”