Yoshida, Nobuyuki ed. A U 539: Ingenhoven Architects - Supergreen A U 2015 98729 This edition of a u is a special isssue focused on ingenhoven architects from Germany, led by Christoph Ingenhoven. The concept of "supergreen", proposed by Mr. Ingenhoven who has been the forerunner of sustainable architecture since the 1990s, transcends green architecture that mereley mets the environmental standards. Rather, it is a comprehensive idea that encompasses people and their activities. This issue introduces 22 of their works from around the world and explores "supergreen" architecture. English/Japanese Pap.