1. Photo wall etiquette
Kudos to you if you're one of the first few on the scene, snapping away those obligatory shots by the dazzling photo wall.
But once the crowd starts to thicken and you spot more and more friends for a fun group picture or two (or three, maybe four?), just be mindful not to hold up other guests waiting for their turn at the photo wall once you've exhausted every possible pose in your repertoire.