Race Against Time To Save Ancient Monumental Arch In Iraq
Preservationists are in a race against time to save Iraq's 1,700-year-old Arch of Ctesiphon from collapse. The ancient arch is the world's largest single-span vault of unreinforced brickwork and forms part of the ruins of Ctesiphon, an ancient city located 35 kilometres (22 mi)les south-east of Baghdad. The site served…