1. Side Note
   1. Hagia Sophia
      1. Built in the 520s AD
      2. Built by Justinian
      3. Originally a church, became a mosque, now museum
      4. Holy Wisdom
2. Effects
   1. Huge.
   2. Intimidating
   3. Occulus is light.
   4. Power.
      1. Solidifying the power of the Empire
      2. Reify his power with a building
   5. Interior Dome Spaces
      1. attention is on the inside, no longer the outside
3. Context
   1. Hadrian wanted it done, so it was done.
   2. Hadrian withdrew the armies from the farthest reaches.
      1. The Armies were outstretched.
   3. The man who could bring all the gods under the ceiling, has nothing to fear.
4. Hagia Sophia
   1. All christian churches before had square roofs
   2. Dome Architecture's innovation