Adding to the monument’s mystique, a mysterious labyrinth of subterranean tunnels, vaults ... Following the opening of its unseen underground, Hagia Sophia will undergo even more extensive ...

The underground areas encompass approximately one kilometer of tunnels surrounding Hagia Sophia. These will be opened to visitors after the cleaning work, allowing them to explore the historical ...

Authorities in Turkey have sealed off a luxury spa set up by illegally modifying a 1,500-year-old cistern near Hagia Sophia ...