We take up the story again at IV:49. He's writing about the Black Sea area as it was known then. In order to follow the below, here is a large map of
Why Babylon Fell
Vast walls and deep ditches are an inestimable aid to a brave and well-commanded garrison; but they cannot be made entirely to supply the want of
Persia Versus Babylonia
Those who recollect the description of Babylon and its surrounding territory, will not be surprised to learn that the capture of it gave the Persian