Capital city of ancient superpower discovered By David Keys Archaeology Correspondent 26 October 2002 British archaeologists have discovered a capital city of one of the ancient world's most mysterious superpowers. The metropolis, covering more than a square mile, was the main western administrative centre of the ancient Median Empire, a vast Middle Eastern imperial state which flourished in the first half of the 6th century BC between the fall of the Assyrian empire and the rise of Persia. The discovery reveals the sheer scale of the threat which would soon be posed to Europe by the ancient Middle East. For...