Turkey's biggest mosque opened its doors to worshipers on Thursday to mark Laylat al-Raghaib.
The construction of the mosque has started in 2013 on the Camlica hill on the Asian side of Istanbul.
The capasitity of the mosque is 63 thousands people, there is a library, a museum of Islam History and a conferance hall are available within the giant complex. The mosque has 6 minarets and each one symbolises wars in Turkish history.