toilets
Are you over 1.80 m? In that case, you might have some difficulty using toilets in this country. As I wrote in the last posting, technology is imported from the west, but that's not enough. In Korea, you find traditional toilets as well as western toilets. Now, as in Japan, the funny thing is how some of those western toilets are built. Instead of turning the front of the toilet towards the door, so you have space for your knees, the front is built sideways to the wall! Sometimes you have less than 15 cm between toilet and wall, so you can kiss your knees goodbye if you really have to take a dump.
By the way: Be careful when you try to find some information about toilets in Japan on the net. A lot of links are webcams and pay-per-view. Also, always carry toilet paper around with you, usually there's none waiting for you. Ironically, toilet paper is placed at home or at some smaller restaurants on the table. Elsewhere, you might find napkins. You might notice a dumpster with toilet paper next to the toilet, in Korea it's not flushed but left in a trash can. If you want to use a toilet, and the door is closed, don't try to open it just like that. Many toilets don't have a lock so you might surprise an Azumma taking a stinky dump. You don't want that to happen. People here knock on the toilet's door, if somebody knocks back, it's occupied.