of their energy on survival. This was not the only purpose for the wall, it is thought that the wall also served as protection from floods. There is also evidence of a tapering at the bottom of the wall to guide the water away from the city.

The city could be split into two different sections: an upper "acropolis" or citadel and a "lower town". The lower town consisted of lower valued residential buildings located on the eastern side of the city, while the upper acropolis would be on the western side of the city which contained the higher