Their building plans eschewed the flying buttresses ... scaffolding and templates that would be needed to shape the dome’s masonry? And could a dome be built at all on the octagonal floor ...

From repair and replacing delicate jaalis to polishing woodwork and reinforcing the very frame of the dome, a firm from ...

ISTANBUL, April 14 (Xinhua) -- Türkiye on Monday started the first-ever comprehensive restoration work on the main dome of Hagia Sophia, one of the most important historical sites in Istanbul.