The minarets of the Prophet's Mosque or beacons are part of the Prophet's Mosque in Al-Madinah al-Munawwarah . They are erected on the upper corners of the mosque, and are a reference landmark in cylindrical shape that can be seen from most residential neighborhoods. They contain laser devices that emit laser beams to determine the direction of the Qibla, and have a range of 50 km. The Prophet's Mosque has ten minarets, four of which are attributed to the first Saudi expansion , ...