The Azadi Tower (Persian: برج آزادی, ; "Freedom Tower"), formerly known as the Shahyad Tower (, ; "Shah's Memorial Tower"), is a monument on Azadi Square in Tehran, Iran. It is one of the landmarks of Tehran, marking the west entrance to the city, and is part of the Azadi Cultural Complex, which also includes an underground museum. The tower is about tall and is completely clad in cut marble. It was commissioned by Mohammad Reza Pahlavi, the last Shah of Iran, to mark the 2,500-year celebratio…