Turks hold first Eid prayers at Hagia Sophia mosque
![Turks hold first Eid prayers at Hagia Sophia mosque](https://video.newsserve.net/700/v/20200731/2007311446-Turks-hold-first-Eid-prayers-at-Hagia-Sophia.jpg)
Turks hold first Eid prayers at Hagia Sophia mosque
Eid al-Adha -- the Feast of Sacrifice -- is one of the most important holidays in the Muslim Calendar.
It includes the pilgrimage to holy city of Mecca, the haj, which is one of the five pillars of Islam.