
ISTANBUL, TURKEY - JULY 27: People inspect Historical Sultanahmet Mosque, known as Blue Mosque in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest.

ISTANBUL, TURKEY - JULY 27: A man poses in front of Blue Mosque in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest.

ISTANBUL, TURKEY - JULY 27: A view of Sultanahmet Square where hosts Hagia Sophia and Sultanahmet Mosque (Blue Mosque) in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest. ( Abdullah Coşkun - Anadolu Agency )

ISTANBUL, TURKEY - JULY 27: People take a selfie at Sultanahmet Square where hosts Hagia Sophia and Sultanahmet Mosque (Blue Mosque) in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest. ( Abdullah Coşkun - Anadolu Agency )

ISTANBUL, TURKEY - JULY 27: An outside view of Hagia Sophia in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest. ( Abdullah Coşkun - Anadolu Agency )

ISTANBUL, TURKEY - JULY 27: A woman is taken a photo in front of Hagia Sophia in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest. ( Abdullah Coşkun - Anadolu Agency )

ISTANBUL, TURKEY - JULY 27: People inspect Historical Sultanahmet Mosque, known as Blue Mosque in Istanbul, Turkey on July 27, 2017. Blue Mosque and Hagia Sophia, two of the most important Mosques of World's architect, are the center of tourists' interest. ( Abdullah Coşkun - Anadolu Agency )