Huge aqueducts spread throughout the city, bringing more water to supply an increasing demand for homes, commerce, industry and agriculture....

 Streets and roads become important avenues for commerce, communication and military transportation. For the first time they are divided int...

For the first time, the city is subdivided and the neighborhoods are born. Building plots, apartment blocks and villages invaded on the comm...

INFRASTRUCTURE: To meet the great demand for ships, docks are invented and ports are modernized. The first lane outside ...