Pic 1: Gonbad-e Soltaniye
Pic2: covering the Dome structure
Wanna to know how a Dome is building? The following is the instruction:
take a look at below illustration. As you see a square plan is essential on which a dome’s structure will be put. Derivation an octagon from the square is the second step. After that four gushvare are devised as a connection of octagon’s four new sides to the basic square. Next stage is to converting the octagon into a Sixteengon which resemble a circle. After that, eight virtual concentric arcs shape the dome as its skeleton and these eight sections will be filled by bricks. And final cover is glazed heavenly Persian tiles.