This city’s Bab al-Saghir cemetery is the commonly accepted burial place of Bilal and sixteen later martyrs’ heads. Because Ruqayya was forced to walk barefoot to this city where she died in the dark, modern worshippers leave shoes and candles at small replicas of her grave. This city was the final destination of a procession displaying the head of a man trampled by horses that first passed through (*) Kufa. (-5[1])Muslim ibn-Hajjaj related that a white minaret in this city marks the location of the descent of a man clad in saffron-colored robes. In this city, Zaynab warned Yazid that he would be humiliated for slaughtering Muhammad’s family. (10[1])Husayn’s martyrdom is honored at this city’s Great Mosque, which may also house John the Baptist’s head. For 10 points, name this fourth-holiest city of Islam, the capital of the Umayyad Empire. (10[1])■END■