Renting a penthouse in big cities, such as Tehran, has become popular recently. People with high income prefer to rent a penthouse rather than blocking a huge amount of money by buying one. Penthouses in Tehran are rare. They are mostly resided in the northern parts of this big city, in regions such as Zaferanieh, Ajoudanieh, Jordan, Aghdasieh and Niavaran. These regions of Tehran are located on higher...