Tehran event in 1400 Dec 21, 2020 The "Tehran event in 1400" ceremony was held in the presence of Dr. Pirooz Hanachi, Mayor of Tehran, Mohsen Hashemi, Chairman of the Islamic Council of Tehran, and a group of city managers in the conference hall of Milad tower on Monday morning, December 22nd, 2020. Mojtaba Arabzadeh https://www.tehranpicture.ir/u/igm