Mohammadizadeh also said the government is considering artificially creating rain and wind . Tehran 's schools , public offices , universities and banks close Wednesday and Thursday . Traffic shut down last Wednesday to cut down on auto accidents and pollution . The government says despite a 20 % drop in traffic , traffic is at critical levels .
Tehran 's schools , public offices , universities and banks close Wednesday and Thursday . Traffic shut down last Wednesday to cut down on auto accidents and pollution . The government says despite a 20 % drop in traffic , traffic is at critical levels .