These houses are built of wood and are centered around the canals. This is one example of the difference in the cultural landscape between these two countries. The landscape of each country has been modified through culture in many other ways. A cultural region has four broad components. The Domain surrounds the core, and the sphere surrounds the domain.
Outliers mark the edge of a cultural region.
An effective way to demonstrate the Core, Domain, Sphere, and Outliers concept is to look at that of the Mormons. The Core of the Mormon religion is primarily Salt Lake City, Utah. The domain of the Mormon culture spread out to include the whole state of Utah and small areas of surrounding states. The sphere of the culture surrounds the domain and extends out farther than the sphere. The outliers can be thought of as the boundary of a cultural region.