Mesopotamian Architecture

"Isolation's fine
The grandest of all cities
Lonely, powerful"

Mesopotamian Architecture started and created innovations for future generations and cities. Some concepts were: Urban planning, Arches, Courtyard houses, Ziggurats, Tower of Babel, and Building Material. The City of Ur was and is greatly known for the unusual size of the walls. They were far taller than the human scale. Another example of the great scale difference is the Ziggurats. Compared to the Ziggurats, the houses were ants. They were made to represent  the greatness and power the people living inside and the deities that were worshipped there.
Isolation was present, everywhere. The houses the people lived in had courtyards inside them. Only one entrance. They were made to provide protection from the private and public lives they lived. The entrances were made in a "zig-zag" formation. To prevent any trespassers from entering directly to their houses. The arches had been used prior to them but they enhanced the use of them. They specified them for a usage.  They gave these things a reason.