The Oculus (Eye) of the Pantheon, Rome (2,000 years after it was built, it is still the world's largest unreinforced concrete dome.)

The Oculus (Eye) of the Pantheon, Rome (2,000 years after it was built, it is still the world's largest unreinforced concrete dome.)

Ancient Rome, Antiquae Urbis Romae, S.P.Q.R. - antique map close up https://www.battlemaps.us/

Ancient Rome, Antiquae Urbis Romae, S.P.Q.R. - antique map close up https://www.battlemaps.us/

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