One of Japan's seven execution chambers is in this facility. Hanging is Japan's method of execution. The execution chamber in Tokyo has a trap door. As the condemned dies, his or her body falls into a room below the execution chamber, and in that room the death is confirmed. Before the condemned is executed, he or she passes a statue of Amida Nyorai (Amitābha), a Buddhist deity. The execution room is in two sections, with both of them together the size of a 15 tatami mat room.