Ahh, so it wasn't a gesture of self-expression, then. My apartment can be your temporary safe haven, if necessary.

[She peers down at him as she speaks, watching his inspection with interest.]

Hmm. Rocks are also outside my expertise, but gates are gates are gates. They serve the same purposes across cultures, and though the culture may be unknown to us, I suspect it is the same case here. When in doubt, take notes and pictures to consult later.