Thick and stubborn clouds of hazardous emissions have blanketed the Iranian capital, Tehran, for four weeks in a row, only adding to a long list of challenges residents in the megacity are grappling with on a daily basis.
Characterized by its frustrating traffic jams, which have been exacerbated by a poor public transportation infrastructure and an unregulated population growth, sparked by an exodus of job seekers from across the nation, Tehran has in the past two decades hosted worsening air pollution, particularly during winter inversions.