Katsura Imperial Villa able to create new rooms within the architecture. For instance by moving one fusuma wall, one could transform two rooms into one large room and a small storage closet. In the Katsura Imperial Villa, the fusuma allows the rooms to change and open up to the natural world with exterior decks becoming extensions of the interior and framing views of the landscape. An example of this type of transformation is the moon viewing platform connected to the Old Shoin. Besides these characteristics, there are many traditional Japanese ideas that are used in the Katsura Imperial Villa, like the decorative alcove
Imperial units firearms and ammunition. Imperial measures are still used in the description of cartridge types, even when the cartridge is of relatively recent invention (e.g., .204 Ruger, .17 HMR, where the calibre is expressed in decimal fractions of an inch). However, ammunition that is already classified in metric is still kept metric (e.g., 9×19mm). In the manufacture of ammunition, bullet and powder weights are expressed in terms of grains for both metric and imperial cartridges. As in most of the western world, air navigation is based on "nautical" units, e.g., the nautical mile, which is neither imperial nor metric, though altitude