"Alarms, then," Peggy says, because she wouldn't want to lose her leg on a perfectly normal walk just because someone's paranoia drove them to setting up something with a great deal of sharp edges. "Maybe something that won't harm anyone if they come across it without knowing. I'd hate to limit our already apparently small population."

She nudges the door to the structure they've arrived at open, having to use her shoulder to give it a bit of a push.

"What do you think this is?" she asks, of the large building.