![The Oculus of the Roman Pantheon is the building's source of light and ventilation. It may have also been intended to complement ceremonies, overwhelm the senses, and reduce structural pressure. 22 holes, The Oculus of the Roman Pantheon is the building's source of light and ventilation. It may have also been intended to complement ceremonies, overwhelm the senses, and reduce structural pressure. 22 holes,](https://preview.redd.it/s8spxkg1ob561.jpg?width=640&crop=smart&auto=webp&s=c88ed25a41a0879d23fcfcfa458aebde01fd5547)
The Oculus of the Roman Pantheon is the building's source of light and ventilation. It may have also been intended to complement ceremonies, overwhelm the senses, and reduce structural pressure. 22 holes,
![The 1900-year-old Pantheon which features the world's largest unreinforced concrete dome. At noon on 21 April (traditional date of birth of Rome), the sun's ray through the oculus would strike the entrance The 1900-year-old Pantheon which features the world's largest unreinforced concrete dome. At noon on 21 April (traditional date of birth of Rome), the sun's ray through the oculus would strike the entrance](https://preview.redd.it/the-1900-year-old-pantheon-which-features-the-worlds-v0-1wdfe78okjna1.jpg?auto=webp&s=f8225808e1fc8dc9d05d6e957408da8311d8ef56)
The 1900-year-old Pantheon which features the world's largest unreinforced concrete dome. At noon on 21 April (traditional date of birth of Rome), the sun's ray through the oculus would strike the entrance
![Inside the Pantheon in Rome, Italy looking up at the oculus (hole) in the ceiling and it's geometric dome design Stock Photo - Alamy Inside the Pantheon in Rome, Italy looking up at the oculus (hole) in the ceiling and it's geometric dome design Stock Photo - Alamy](https://c8.alamy.com/comp/KKM34J/inside-the-pantheon-in-rome-italy-looking-up-at-the-oculus-hole-in-KKM34J.jpg)
Inside the Pantheon in Rome, Italy looking up at the oculus (hole) in the ceiling and it's geometric dome design Stock Photo - Alamy
![Dome Oculus Pantheon Rome Italy Rebuilt by Hadrian in 118 to 125 AD Became oldest Roman church in 609 AD. Oculus, hole, provides only light Stock Photo - Alamy Dome Oculus Pantheon Rome Italy Rebuilt by Hadrian in 118 to 125 AD Became oldest Roman church in 609 AD. Oculus, hole, provides only light Stock Photo - Alamy](https://c8.alamy.com/comp/2A62AFG/dome-oculus-pantheon-rome-italy-rebuilt-by-hadrian-in-118-to-125-ad-became-oldest-roman-church-in-609-ad-oculus-hole-provides-only-light-2A62AFG.jpg)
Dome Oculus Pantheon Rome Italy Rebuilt by Hadrian in 118 to 125 AD Became oldest Roman church in 609 AD. Oculus, hole, provides only light Stock Photo - Alamy
![Pantheon Roma on Twitter: "9 metres is the diameter of the #oculus.. and when it rains you can #admire a 9 metres "column" of water falling on the floor of this amazing Pantheon Roma on Twitter: "9 metres is the diameter of the #oculus.. and when it rains you can #admire a 9 metres "column" of water falling on the floor of this amazing](https://pbs.twimg.com/media/EV9OI1EWkAMyW6j.jpg)