Mecca from the last 1,500 years have survived Saudi rule. Expansion of the city is ongoing and includes the construction of tall Abraj Al Bait Towers across the street from the Masjid al-Haram. The towers were the third tallest building in the world when completed in 2012. The construction of the towers involved the demolition of the Ajyad Fortress, which in turn sparked a dispute between Turkey and Saudi Arabia. The Zamzam Well is home to a celebrated water spring. The Qishla of Mecca was an Ottoman castle facing the Grand Mosque and defending the city from attack. However, the Saudi
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,