Hello, I'm Rano Rahimpur on the BBC World Service and this is BBC OS Conversations, Iran.

In the final weeks before the presidential election we hear from young people in

Iran about their thoughts on voting and remaining in the country. We hear too about

the emotion and the guilt when emigrating and leaving your sister and parents behind.

Some days I just feel like I have to go back and I know that that's all because I missed them so much because it's been more than two years that I haven't had that chance to see them.

I want to take you to Iran shortly, but before we hear those conversations let's explain a little of the history and the present. The Modern Islamic Republic of Iran was founded in

1979 when its first Supreme Leader Ayatollah ruhu al-Jolah chomani was installed. Since

then there has only been one other Supreme Leader,

Ayatollah Ali Khamei, who has overall control of everything, including the new

president. There are seven vetted and approved candidates vying to be Iran's next president.

Most are relatively unknown.

The best known of the majority ultra-conservative and religious hardliners on the list is the country's judiciary chief.

Ibrahim Raise has a history of human rights violations. He is expected to win.

But these are difficult times for Iran. After decades of mismanagement and

systematic corruption, conditions for people have worsened and US sanctions

have also contributed to high inflation and rising prices.

There have also been deadly crackdowns of anti-government protests.

And while the elections are widely considered not to be free and fair, they still require a high turnout to prove the system's legitimacy.

I cover Iran each day for the BBC's Persian TV and in order to understand a little more of the background

I asked two of my colleagues to join me reporter Kavon Hosseini and special Correspondent Kastron Oji who recalls the early days of the revolution.

I was studying abroad, I was a student and there was turmoil in Iran and I thought the revolution was a good thing. I dropped everything I stopped my studies against all advice

from my parents and flew back to Iran and took part in the revolution and I wanted freedom, I wanted democracy,

...