The complex, 24 hectares, was a beautiful place which included Fath-Ali Shah Qajar Palace. Reza Shah decided to have an official prison in Tehran so he brought the famous Russian architect, Nikolai Markov
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He asked to design the Ghasr Prison instead of the palace. The jail had 192 rooms with the capacity of 700 prisoners, 96 rooms were built for 5 prisoners and the rest were solos. It also consisted of a hospital, 6 rooms each including 6 beds and 16 single bed rooms. So that was how the prison was made in 1929.
Currently this prison is changed into a museum garden which is open to visitors. It is 8800 square meters and it consists of a museum of historical documents and objects, Café gallery and different halls for different purposes.
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