Exclusive: An inside look at an Iranian nuclear research facility

Al Jazeera granted rare access to only nuclear research facility in Iran where much-disputed 20 percent enriched uranium is being used.

Iran’s President Hassan Rouhani says the country will step up “immediately” its work on nuclear research and development.

Al Jazeera has been granted rare access to the only nuclear research facility in Iran where the much-disputed 20 percent enriched uranium is being used.

Al Jazeera’s Dorsa Jabbari has this exclusive report from the Tehran Nuclear Research Reactor.