Through My Lens: Aachener Dom Ceiling

What sets the Aachener Dom apart from other cathedrals — and what you notice as soon as you step inside — is its shape. Unlike most cathedrals, it’s built in the shape of an octagon, not a cross. Charlemagne is said to have placed a lot of significance on the number 8. Four is another significant number in the Christian faith and, if you’re mathematically inclined, you know that an octagon can be formed by laying one square on top of another after rotating it a quarter turn, and then lopping off the protruding triangles.

For the Second Sunday of Lent, here is a photo of the ceiling of the Aachener Dom, in which the eight sides of the octagon are clearly visible.

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