Azadi Tower (Freedom Tower) is a part of the Azadi Cultural Complex in Tehran. In the past, this tower was known as the Shahyad Tower (King’s Memorial Tower). The reasons behind to build this “Y” shaped tower was to commemorate the 2500th anniversary of the First Persian Empire in 1971. Hossein Amanat, an Iranian-Canadian architect designed this tower with the mix of ancient Persian design and Islamic architecture.