Iraq's 1,400-year-old Arch of Ctesiphon, the world's largest brick-built arch, is undergoing restoration work as part of efforts to return it to its former splendour, authorities said Wednesday.

Iraq's 1,400-year-old Arch of Ctesiphon, the world's largest brick-built arch, is undergoing restoration work as part of efforts to return it to its former splendour, authorities said Wednesday.

The ancient site of Ctesiphon near al-Madain in central Iraq, on November 24, ... "There was quite a lot of reconstruction done in 2013-2014 and probably all of this will need to be taken down and ...