Hagia Sophia in Istanbul, Turkey

sophia hagia istanbul sultanahmet turkey aya sofya blue sofia history sky old travel architecture church building traditional byzantium nicolas economou square landmark touristic destination constantinople Konstantinoupolis Istanbul Turkish Greek Turkey religion historic famous dome islam turkish minaret byzantine green park red people symbol tourism tree outdoors grass mosque vacation scene east holy eastern basilica sunny exterior summer spring landscape outdoor museum background interior view ancient antique asia tourist cathedral cupola ottoman beautiful sunset town art pattern decoration culture icon vintage retro ornament theos tis tou theou sofias aghia agia muslim europe religious attraction islamic orthodox scenic detail city wall agiasofia greek economy finance financial cloudless clouds crowd overcrowded unesco world heritage cami sky landmark dome building architecture historic site basilica tourist attraction byzantine architecture