Much more than walls and a roof, buildings shape how we move through space and relate to others, promoting well-being and strengthening our sense of community — or doing the opposite, if they are poorly designed. There has been some especially dynamic design work in the developing world in recent years, and a south-to-north dialogue offers a rich opportunity to understand why architecture matters. How do the spaces we inhabit influence health and wellness? What does it take to blend form and function into structures that promote healing? Peter Drobac, Michael Murphy, John Cary, Liz Ogbu