The Pantheon is often described as “impressive” or “ancient.”

In this episode, we focus on why it still works.

From the rectangular portico outside to the perfect circular interior, we walk through the building step by step. We examine the proportional system that allows a sphere to fit exactly inside the cylinder of the rotunda. We break down how the dome reduces weight as it rises, how the coffers are structural rather than decorative, and how the oculus acts as a moving light source that turns the space into a natural timekeeper.

We also look at the marble floor geometry, the hidden relieving arches inside the walls, and the engineering decisions that allowed the Pantheon to survive for nearly 2,000 years.

🎧 This isn’t a historical recap. It’s a practical spatial guide to reading one of Rome’s most precise buildings.

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