"An Orion dance?" Ianto asked, raising an eyebrow at Sulu curiously. "Orions are...those green women that we saw earlier, right? While we were driving? What's so great about their dancing, then? Are they, like... I dunno, masters of the art, or something?" If they were, that would certainly explain the crowd, after all. Or something. Ianto couldn't remember if he'd seen a crowd like this gather for one single impromptu event in Cardiff before...