A celebration, I suppose. They're excited by the full moon. It's not entirely unprecedented, but--

[For once in her life, Rosalind doesn't finish a sentence. She's just a touch distracted by a couple a little ways away, and she stares for just a few seconds too long, her cheeks flushed. And that's-- that's absurd, and she scowls as she glances away.]

In any case. It's nothing more than a native holiday.