Modern construction materials and methods have brought with them extraordinary opportunities for new spaces, forms, and ways of building, but in many parts of the world they have also been disruptive of local culture, resulting in building forms and ways of building that are alien to the local society, and which, when adopted, displace time-honored crafts that have been handed down for generations. As a result, the local people are left with a diminished control over their environment and livelihoods.