Greek architecture has long been identified with the creation of the three classic architectural orders, the Doric, Ionic, and Corinthian, though actually the Corinthian is a variation of the Ionic. Greek temples were not directly linked to the orders but show basic features that are much alike. order and cleanness of lines marks Greek temples and other monumental Greek architecture. Roman architecture reflects a way of public and private life, borrowing elements from the Greeks and the Etruscans.
Many Roman works are a mixture of styles, such as the Hagia Sophia, a monumental piece of architecture that links us with the era of Justinian's reign in Constantinople and is an interesting example of a mixture of styles, with a Christian structure showing the Eastern influences of the Byzantine Empire. The work unites elements of East and West both inside and out, and it serves as a good example of a work to study for an understanding of both styles. It is a powerful structure and recalls a great deal of history. The Cathedral of St. Basil is one of the most recognizable Russian designs in the world and immediately calls to mind a certain Russian style that is seen in other structures still standing today. The Pantheon is a large, round temple in rome which shows the abilty of the Romans to create vast interior spaces, perhaps for the first time in the history of architecture. Some major Roman architecture is found far from Rome, such as the Pont du Gard at Nimes in France, which uses the roman arch and vault in a structure designed more for efficiency than beauty.
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