The present essay seeks the historical review of the architectural movement installed in Japan during the second half of the twentieth century, called Metabolism, and to understand how the boom of the economy, the World War II and the phenomenon of the mega-structure were translated into the culture of the country and influenced the way of thinking architecture to the present moment. The graphic production of the 1960 manifesto, Kenzo Tange's ideas for Tokyo and the logic of development and project solutions were so revolutionary that for ten years, in the eyes of the western part of the world, Japanese architecture was summed up in the production Metabolist and the ideas developed by the Group on mega-structures, capsule structures, urban planning on artificial ground. The collection of this period counts as much with works that were born already with the pretension of not leaving the paper, fitting in the branch of the speculative architecture and critical thinking, raising important discussions in the arch
