Mecca both residents and pilgrims. Mecca's culture has been affected by the large number of pilgrims that arrive annually, and thus boasts a rich cultural heritage. As a result of the vast numbers of pilgrims coming to the city each year, Mecca has become by far the most diverse city in the Muslim world. In contrast to the rest of Saudi Arabia, and particularly Najd, Mecca has, according to "The New York Times", become "a striking oasis" of free thought and discussion and, also, of "unlikely liberalism" as "Meccans see themselves as a bulwark against the creeping extremism that has overtaken
Black mecca of Harlem" was also the title of a 2010 book by Temple University professor Zain Abdullah about Muslim West African immigrants in New York City, using "Mecca" not only in the generic sense of "a place that people are drawn to" but also playing on the original meaning of Mecca as the Muslim holy city. Rarely are places other than Atlanta and Harlem mentioned as black meccas, though in questioning the status of Atlanta as a black mecca, comparisons are often made to other cities with large black populations with cities over 200,000 people, such as Birmingham, Detroit, St. Louis,