China is a country of cities, and mega-cities... and mega-mega-cities. But guess what folks, in between these cities is a whole bunch of countryside. And as we question whether our modern urban lifestyles are truly sustainable, sometimes we need to turn to those places where the answers have been waiting for us all along.

Today's guest - the architect, Chen Haoru - has been searching for these answers from his base in 杭州 [Hángzhōu] for the last twenty years. And this journey has led him to establishing a model of communal living, to designing structures that define a philosophical movement, and to questioning our misplaced expectation about the permanence of architecture.