In the third century, Rome faced many problems and went through several changes. The balance between the rich and poor felt into decay. The rich was getting more rich and the poor was getting in deeper. Else, after the Christianity was legitimized, social structures had changed significantly. It has its influence over architecture.
There were many important architectural structures in Rome and one of them is Hadrian’s Villa which is used as senatorial and imperial villa. Hadrian’s Villa is a complex architectural structure that contains over 30 buildings and it is a great example of Alexandrian gardens and its complexity has strong relations with the landscape.
With Christianity, generated concepts which are baptism and cemetery required new organization. Thus we can understand that the religion shapes the way of living and their architecture.
In Roman architecture, producing apse, that had been used at long axes of halls, in the temples was a common approach. Dome form integrated with Christianity. Also in the apse, there are some important human figures and anglel representations. One example of these apse is in San Vitale. By using mosaic, they prefer to illustrate Bishop Ecclesis’s power.
The nave is the main body of the church which provides the central approach to the high altar. Also it is long, narrow, high and part of the churches. Hagia Sophia has an effective nave in itself. Hagia Sophia is an important church for the Roman architecture which is located at the top right of the center in the area of the Great Palace of the Byzantine emperor. It has a strong axial path passing from different heights and enclosure levels and also there is a different approach of the dome usage. Dome is not there to mark an object of veneration.