Mizan | Koosha Mahshid Falahi: Duringthe Nowruz vacation, Tehran enjoys the cleanest air of the whole year and many people choose thecapital Tehran as their tourism destination. Tabiat Bridge, Ab-O-Atash Bridge, Azadi Tower, Golestan palace, Milad Tower, Sa'ad Abad Tower, and Nowruz park are among tourism attractions in the Iranian capital.