perfectly flat. "This smoothness and that slope of the field, when combined, create interesting arc lines." Before the Iranian Revolution in 1979, it was called the Shahyad Square ( ), meaning "Shah's Memorial Square", and was the site of many of the Revolution's demonstrations leading up to 12 December 1979. Annually many Iranians celebrate the revolution in Azadi Square. One of the famous concert halls of the capital is at the tower. Roads From north: Mohammad Ali Jenah Expressway From west: Karaj Makhsus (Special) Road From southwest: Mehrabad Airport entrance road From south: Saidi Expressway From east: Azadi Street Public Transportation Tehran BRT Line 1, 2, 10 Meydan-e Azadi Metro Station See also List of city squares by size Azadi Tower References Iranian Revolution National squares Squares in Tehran