“Perhaps the most significant of these are two related aspects characteristic of Japanese urbanisation: the intense intermixture of differing land uses, and the extensive areas of unplanned, haphazard urban development. Mixed land use is so prevalent in Japanese cities that it may be hard to believe the government Figure 0.1 The “busy place” (sakariba) of Ueno is one Japan’s most enduring central city entertainment and shopping districts, and was already famous in the Tokugawa period for its theatres and nightlife.”