The head of Iran's atomic energy department, Mohammad Eslami, speaks during the International Conference on Nuclear Science and Technology in Isfahan in on May 6, 2024. UN atomic watchdog chief Rafael Grossi arrived on May 6 in Iran, where he is expected to speak at the conference and meet officials for talks on Tehran's nuclear programme. (Photo by ATTA KENARE / AFP) (Photo by ATTA KENARE/AFP via Getty Images)