This tower was built in 16th century. Map of the tower is not like a circle but is like a flower that around of it are eight circles and one circle in the middle. Its height is 18 meters and bottom base diameter is 16 meters. The structure of the tower is in three floors and inside of the tower there are about 15000 cubbyhole which means 15000 pigeons can accommodate in this tower. Also there are 770 holes in the top of the tower. In the past the entrance door of each tower was opened and all gathered pigeon’s guano which were collected like a small hill in the inner environ of the tower were removed to the farms. Guano was mixed with soft and rich argil soil and changed to a very strong and rich fertilizer for agricultural use.