Designed by
Title
Detail of decorated unreinforced concrete Dome of the Pantheon, Rome, Italy with central opening (oculus) #61475234
Description
Almost two thousand 2000 years old, the dome of the Pantheon, Rome, Italy is the largest unreinforced concrete dome in the world. Sunlight shines through the opening (oculus). The beam of sunlight moves across the walls of the Pantheon as the sun moves across the sky.