View of the tower from the north
|Ecclesiastical or organizational status||in ruins|
|Height (max)||20 m|
|Dome height (outer)||20+ m|
The 20-metre-tall (66 ft) brick tower is the tomb of Seljuk ruler Tuğrul Beg, who died in Rey in 1063. Originally, like other monuments of its time, it was capped by a conical dome (گنبد, gonbad), which would have added to its height. The dome collapsed during an earthquake.
The thickness of the walls varies from 1.75 to 2.75 meters. The inner and outer diameters are 11 and 16 meters, respectively. The exterior shape is that of a polygon with 24 angles in its design, which is thought to contribute to the structure's stability against tremors.
The tower is protected by Iran's Cultural Heritage Organization.
View of interior, which was originally domed with a conical cap
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