Regarding the exterior, it is covered with an octagonal dome.
Four smaller octagonal domes of similar design surround the main one.
Above the corners of the church there are four little octagonal domes.
In 1896, air vents and the octagonal dome on the top were taken away.
The high octagonal dome is placed on the central round room.
The upper church has a central floor with an octagonal dome on eight columns.
The most notable change was the addition of the octagonal dome.
Until the early 1940s, there was a small octagonal dome on top of the church.
The chapel design encompasses a square floor plan under an octagonal dome.
It has a large octagonal dome that gives plenty of light.