The Welsh have a word for it. This disconnection we feel. They call it hiraeth. "Mae hiraeth arna i. " They say. "There is a hiraeth upon me." Hiraeth lies like a weight in the being. In the heart. In the soul. It expresses our sense of separation and the deep longing that accompanies it. Hiraeth, then, could be said to be our longing for belonging. To ourselves, to each other and to the land. In a world so profoundly disconnected, how do we build...