The term“built environment”refers to all aspects of the human-made surroundingsthat provide the setting for human activity: the human-made space in which peoplelive, work, and create on a day-to-day basis (Roof and Oleru2008). It ranges inscale from indoor to outdoor active spaces, and it extends in four-dimensional space(i.e., length-x, width-y, depth-z, time-t), so the boundaries among th…