Japanese etiquette: A lady always covers her mouth when smiling or laughing. I was never taught this, but do it instinctively anyway - well, with laughing, that is. November songs laughing Mamechiho by Onihide
The part of town where you'll likely see a geisha. It's more common to see the apprentice "maiko" than a geisha. Most people mistake a maiko for a geisha. Maikos wear a dangling obi and dangling hair ornament while geishas do not.