*Includes pictures *Includes online resources and a bibliography for further reading ..".the ever present menace of inundation." - Sir John Marshall, 1931 What is a city? A simple definition is a "largely constructed landscape," and through inferences and comparisons with modern states, a successful Ancient city is generally said to have a number of defining characteristics: evidence of political hierarchies; a centralized authority that is simultaneously dependent on the accumulation of reso. *Includes pictures *Includes online resources and a bibliography for further reading ..".the ever present menace of inundation." - Sir John Marshall, 1931 What is a city? A simple definition is a "largely constructed landscape," and through inferences and comparisons with modern states, a successful Ancient city is generally said to have a number of defining characteristics: evidence of political hierarchies; a centralized authority that is simultaneously dependent on the accumulation of reso