Shinjuku is a dense clutter of commercial activity at the largest interchange in Tokyo’s vast mass transit system. There are 12,000,000 people living in Tokyo; every day more than 1,000,000 of them pass in and out of Shinjuku station on nine radiating rail lines and fifty-odd bus routes. It is to accommodate the needs and wants of this mind-boggling concentration of people that a huge shopping and entertainment area has grown in, around, and through the station, including 4 mammoth department stores and over 3 thousand small retail shops, restaurants, bars, and entertainment facilities.