(Likewise, if they weren't currently freezing in a ghost city with more important things to do, he'd ask her more about what she means. Color him intrigued! And he makes a note to try to catch her at the camp later if her can. Surely, a nice warm cup of tea would be a great chance to make some new friends and learn more about each other, right............)

I'm not sure how they work but they seem to have preserved memories in them. What people thought, what they were experiencing... it might shed more light on what exactly happened here.

(And with the box he's currently holding, he tries to open it. It's so bent out of shape, it's stuck,) Some of them are pretty busted, though...