The Blue Mosque, also known as the Sultan Ahmed Mosque, is a historic mosque located in Istanbul, Turkey. It is one of the ...

“At the end of these three years, we have focused on the seismic safety of Hagia Sophia, the minarets, the main dome ... turned into a mosque with the 1453 Ottoman conquest of Istanbul.

ISTANBUL — Turkey has begun a new phase in sweeping restorations of the nearly 1,500-year-old Hagia Sophia in Istanbul, focusing on preserving the monument’s historic domes from the threat of ...