Architecture of the frozen cascade
Geometry That يهبط مثل ضوءٍ منقوش
Yemeni muqarnas as a system of carved cells, painted plaster, and measured descent, from Sana'a's old ceilings to the quieter vaults of Marib and Zabid.
A title slide for the talk "Bayt al-Qubba" on the logic of ornament, craft memory, and the arithmetic of light.