In 2050, Tokyo, now the largest metropolis in the world, will be the first megacity in human history that experiences rapid decrease of population, and vast deterioration of infrastructure, as well as other local cities in Japan. Ohno, a prominent urban theorist/ architect, challenges a new theory of urbanism for these shrinking cities in post-industrial era, by connecting ""fiber units"" of local communities in the city to re-design the cities' information, transportation, and industrial networks, as well as their landscapes.