For over 14 centuries, the resonant call to prayer, or adhan, has echoed from the sacred grounds of the Prophet's Mosque in Madinah -- a tradition that holds deep spiritual significance for Muslims ...

For over 14 centuries, the resonant call to prayer, the Adhan, has echoed from the sacred grounds of the Prophet's Mosque, a tradition established by Bilal bin Rabah, the first Muezzin of Islam.