Mecca assigned the task of bringing Mecca back under Ottoman control to their powerful "Khedive" (viceroy) of Egypt, Muhammad Ali Pasha. Muhammad Ali Pasha successfully returned Mecca to Ottoman control in 1813. In 1818, followers of the Salafi juristic school were again defeated, but some of the Al Saud clan survived and founded the Second Saudi State that lasted until 1891 and led on to the present country of Saudi Arabia. Mecca was regularly hit by cholera outbreaks. Between 1830 and 1930 cholera broke out among pilgrims at Mecca 27 times. One of the world travelers to Mecca in the fifteenth
Mecca squares. Traditional homes are built of local rock and are generally two to three stories. The total area of Mecca today is over . In pre-modern Mecca, the city used a few chief sources of water. The first were local wells, such as the Zamzam Well, that produced generally brackish water. The second source was the spring of Ayn Zubayda. The sources of this spring are the mountains of J̲abal Saʿd (Jabal Sa'd) and Jabal Kabkāb, which are a few kilometers east of Jabal Arafa or about southeast of Mecca. Water was transported from it using underground channels. A very