A. Plan - 1. East chevet with three apses 2. Transept topped with a square lantern tower 3. Polygonal stairway turrets 4. Nave and aisles 5. Crypt-hall with ambulatory set with niches throughout; B. Longitudinal section; C. Axonometric projection.
1. Large central nave, which reached a height of 39 m under three groin vaults 2. Aisles in concrete with octagonal coffers 3. Western apse, which contained the colossal statue of Constantine.
