What is the purpose of the Oculus in the roof of the Pantheon in Rome? - Quora
Oculus - Kristin Jones
The Pantheon — A temple to all gods - Monolithic Dome Institute
Rome in Two Days Tour with Vatican | Through Eternity Tours - Through Eternity Tours
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,