Roma - Pantheon

The circular Pantheon (seen from the "Piazza della Minerva") was a temple, completed around 114 aC, dedicated to all (pan) Gods (theon).

It is one of the best preserved antique structure and still the Pantheon's dome is the world's largest unreinforced concrete dome. The height to the "oculus" and the diameter of the interior circle are the same, 43.3 metres.

From 609 on the Pantheon was used as a church ("Sancta Maria ad Martyres"), today this is a major tourist attraction with more than 6 million visitors every year.