She’s hardly getting any lift with those, Dale thought. They’re not big enough, and they’re not moving fast enough. How had he not noticed before? There was something more to her flight—some aspect of gravity-negation or something. It wasn’t physically possible any other way. Still—it cleared up one mystery: as she darted around the ceiling, taking photographs of the supine girl from every imaginable angle, he understood why they built the rooms and the doorways so tall. 