Urban renewal is an everyday sight in Japan's big cities. Massive projects involving huge numbers of workers and multiple contractors advance smoothly, on schedule, and without bringing a busy city to a standstill. This time on Japanology Plus, we explore the secrets of Japan's urban renewal projects with the help of Keisuke Tamura, a leading architect who studies these mammoth undertakings in locations such as Shibuya in Tokyo. And in Plus One, we literally take a deeper look at the topic.