In the late 1960s, African American children in Boston were asked to draw maps of their neighborhood, near the old Mission Hill housing project. The housing project, largely white at the time, took up a large part of their hand-drawn maps, but was figured in various ways as a big blank: a no-man's land, a topography absent of marks or monuments. The streets around it, as well as schools, restaurants, and stores, were often carefully and clearly articulated, but the housing project itself was an open, unmarked rectangle. Recent critical geographers have been interested in the way “people's spatial behaviour is shaped by the hills and valleys of the invisible information and environmental stress surfaces over them.” Landscape and the built environment of the city are not neutral, but have their own rhetoric, exerting influence on the bodies of those who move through them. And humans map and interpret space, understanding and defining the limits of their known world through the movements of their bodies.