 Just as structures can be built to reinforce solidarity and engagement, the construction of social arenas can as well develop estrangement.Take neighborhoods that are closed off by gates or are further in distance from city centers, where access is limited by traveling at high speeds to and from in a private vehicle.Invisible barriers such as price of property and proximity to stores, workplaces and civic centers work as well as agents of social stratification – usually based on things such as race, ethnicity and/or gender.