FILE - In this Friday, Aug. 17, 2018 file photo, backdropped by the Byzantine-era Hagia Sophia, one of Istanbul's main tourist attractions, tourists enjoy the plaza in the historic Sultanahmet district of Istanbul. Turkey's state-run news agency says the country's highest court on Thursday Sept. 13, 2018 has rejected a request for Istanbul's Byzantine-era Hagia Sophia church-turned-mosque-turned-museum to be reconverted into a mosque. (AP Photo/Lefteris Pitarakis, File)