Nakagin Capsule Tower
The Nakagin Capsule Tower is a mixed-use residential and office tower designed by architect Kisho Kurokawa and located in Shimbashi. It was completed in just 30 days in 1972, the building is a rare remaining example of Japanese Metabolism, an architectural movement emblematic of Japan's postwar cultural resurgence. It was the world's first example of capsule architecture built for permanent and practical use. -from Wikipedia
architecture
